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Appendix B: Technical Specification

VeniceU

Operator Manual

Table 4: Venice

performance specifications

Input impedance

Mic
Line

2k balanced
10k balanced

Input gain

Mic

Line mono channel

Line stereo channel

Line level inputs

Continuously variable from
10dB to 60dB
Continuously variable from
0dB to 50dB
Continuously variable from
minus infinity to +20dB
0dB

Maximum input level

Mic
Mic + pad
Line mono channel
Line mono c pad
Line stereo channel

+11dBu
+31dBu
+21dBu
+41dBu
+26dBu

CMR at 100Hz

Mic (gain +40dB)

Typically -80dB

CMR at 1kHz

Mic (gain +40dB)
Mic + pad (gain +40dB)
Line mono channel (0dB)
Line stereo channel (0dB)
Line mono c
pad (0dB)

Typically 80dB
Typically 70dB
Typically 70dB
Typically -50dB
Typically 70dB

Frequency response

Mic to mix (gain +60dB)

0dB to -1dB

Noise (20Hz to 20kHz)

Mic EIN at +60dB gain (mono
channel)
Mic EIN at +60dB gain (stereo
channel)
Mic EIN at +40dB gain (mono
channel)
Mic EIN at +40dB gain (stereo
channel)
0dB line to direct output
(mono)

-128dBu

-125dBu

-97dBu

USB digital audio

Sampling frequency
Bit rate
Dynamic range (20Hz to
20kHz)

48kHz or 44.1kHz
24-bit only
A-D 109dB unweighted, 112dB
A weighted
D-A 107dB unweighted, 110dB
A weighted

System noise (20Hz to
20kHz)

Summing noise (16 channel
routed with faders down)
Line to mix noise (16 channels
routed at 0dB, pan centre)

-90dBu

-86dBu

Distortion at 1kHz

Mic to mix (0dB)

0.03%

Crosstalk at 1kHz

Channel to channel
Mix to mix
Channel to mix
Fader attenuation

< -90dB
< -90dB
< -90dB
> 90dB

Output impedance

All line outputs
Headphones

50 ohms balanced source
To drive 32 ohms

Maximum output level

Line outputs (into 600R)
Headphones (into 50R)

+21dBu
+18dBu (750mW)

Summary of Contents for VeniceU16

Page 1: ...d Tel 44 1562 741515 Fax 44 1562 745371 Email mkt info music group com Website www midasconsoles com VeniceU Operator Manual DOC02 VENICEU Issue B September 2012 MUSIC Group IP Limited 2012 MUSIC Group IP Ltd Technical specifications and appearances are subject to change without notice and accuracy is not guaranteed MIDAS and KLARK TEKNIK are part of the MUSIC Group music group com ...

Page 2: ......

Page 3: ...ormally or has been dropped 15 The apparatus shall be connected to a MAINS socket outlet with a protective earthing connection 16 Where the MAINS plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable Legal disclaimer Technical specifications and appearances are subject to change without notice and accuracy is not guaranteed MIDAS and KLAR...

Page 4: ...ed by this limited warranty improper handling neglect or failure to operate the unit in compliance with the instructions given in Midas user or service manuals connection or operation of the unit in any way that does not comply with the technical or safety regulations applicable in the country where the product is used damage defects caused by acts of God Nature accident fire flood etc or any othe...

Page 5: ...er Service Service Repairs on the www midasconsoles com website Alternatively please submit the online warranty return form found under Service Warranty Registration on www midasconsoles com BEFORE returning the product All enquires must be accompanied by the description of the problem and the serial number of the product The warranty eligibility will be verified from the original sales receipt 3 ...

Page 6: ...vi VeniceU MUSIC Group IP Limited ...

Page 7: ...necting to balanced unbalanced equipment 15 Other connections 16 Setting up 16 Switching the VeniceU on off 17 Chapter 3 Using The VeniceU With USB 19 Windows 7 operating system 19 Using the Archwave USB Driver Control Panel 21 Mac operating system 29 Configuring the supplied third party recording software 29 Updating the VeniceU firmware 31 Troubleshooting USB operation 32 Audio problems 32 Avoid...

Page 8: ...r 55 Chapter 7 Output Section 57 Rear panel 58 Overview of the outputs section 59 Output module notes 60 Group aux changeover 60 Meter changeover 60 Groups 61 USB 62 Matrices 64 Stereo returns 66 Monitors 67 Auxes 68 Master outputs mono and stereo 69 Talkback 71 Playback and recording 72 Playback 72 Recording 72 Local monitor and phones 73 Lamps 74 Appendix A Functional Block Diagrams 75 Mono inpu...

Page 9: ...endix E Best Grounding Practice 97 Safety first 97 Ground loops 97 Noise sources 98 Noise solutions 100 Balanced connections 101 Balanced transformers 102 Screen termination 102 Ground referenced connections 103 Unbalanced connections 104 Signal ground lift 104 XLR shells 105 Signal ground bonding 105 Appendix F Service Information 107 Routine maintenance 107 Cleaning the console 107 Troubleshooti...

Page 10: ...x Contents VeniceU Operator Manual ...

Page 11: ...arranty So to obtain the best results with a minimum of effort please read this Operator Manual and finally enjoy your Midas VeniceU Overview of the VeniceU The VeniceU is a premium quality robust live sound and studio small format mixing console The VeniceU is available in three sizes U16 U24 and U32 and the U16 version can be mounted in a rack The incorporation of USB bridges the gap between ana...

Page 12: ...ich are a submix of the master buses and three solo buses two after fader listen AFL and one pre fader listen PFL All major inputs and outputs are on balanced XLR connectors The following table gives a quick stats comparison of the VeniceU consoles where XLRF XLR female XLRM XLR male TRS 1 4 TRS Jack and RCA phono plug Item U16 U24 U32 Mic inputs 12 mono XLRF 20 mono XLRF 28 mono XLRF Line inputs ...

Page 13: ...SB type B socket that provides I O connectivity to the multifunction input channels The USB inputs feed the buses while the USB outputs are sourced from the buses and are selectable using the changeover switches Allows the use of external DAW based effects and recording Mono input channels mic line in insert and direct out per channel Each channel mic pre amp has 48V phantom volt 20dB pad 80Hz hig...

Page 14: ... and on off switch Lamps socket s for fitting lamps Playback record I Os input output sockets for playback and recording Warranty standard Midas 3 year warranty Control surface The surface of the VeniceU can be divided into the following main vertical sections Control surfaces of the VeniceU consoles showing the three mains areas 3 2 1 ...

Page 15: ...Control surface 5 VeniceU Operator Manual Item Description 1 See Chapter 5 Mono Input Channel on page 37 2 See Chapter 6 Multifunction Input Channel on page 47 3 See Chapter 7 Output Section on page 57 ...

Page 16: ...e 66 Groups on page 61 Matrices on page 64 Monitors on page 67 and Auxes on page 68 3 See Chapter 6 Multifunction Input Channel on page 47 4 Ventilation grills Do not obstruct 5 See Chapter 5 Mono Input Channel on page 37 6 See Lamps on page 74 7 See Switching the VeniceU on off on page 17 8 See USB on page 50 and page 62 9 See Playback and recording on page 72 10 See Local monitor and phones on p...

Page 17: ... Local monitor outputs F Aux group matrix and monitor outputs G Stereo and mono master inserts and outputs External connections The following table details all of the external connections on the VeniceU Connection s Description Notes All mic inputs Balanced XLR connectors 2K load Mono and stereo channels All primary line inputs Balanced Jacks 10K load Mono and stereo channels All inserts Jack conn...

Page 18: ...s input is 47k load 10dB and output is 600R source nominal 10dB Rear panel USB connection Type B connector Rear panel Power connections IEC mains inlet 4 pin XLR lamp power outlets Rear panel Under top edge of rear of console or on control surface U16 only Channels or inputs Route to 8 16 or 24 mono mic line channels 2 monitor 4 aux 4 group and 3 master buses 4 mono mic channels 2 monitor 4 aux 4 ...

Page 19: ... return Balanced Jack Buses Group Bus Master and matrix buses insert Jack group output balanced XLR and optional USB connection in place of aux send Aux Bus Aux output balanced XLR and USB connection Monitor Bus Insert Jack monitor output balanced XLR and USB connection Matrix Insert Jack Insert Jack matrix output balanced XLR and optional USB connection in place of stereo master Stereo master bus...

Page 20: ...ual This is the Operator Manual for the VeniceU Its purpose is to familiarise the user with the VeniceU and show how to install set up configure and operate the VeniceU This manual uses the following conventions The exclamation mark shown right is intended to alert the user to important operating instructions The drawing pin shown right appears next to useful information which provides hints and t...

Page 21: ...d an illuminated LED means that its related control function is on and when extinguished it is off Although this manual is based on the VeniceU32 pictures shown throughout the information also applies to the U16 and U24 models unless stated otherwise Service and support We provide superb levels of support and service to give users confidence in Midas products For more information please contact yo...

Page 22: ...12 Chapter 1 Introduction VeniceU Operator Manual ...

Page 23: ...or example from a balcony The console should be located in a convenient space commensurate with the use to which the console is being put Ideally a cool area is preferred away from power distribution equipment or other potential sources of interference Do not install the equipment in places of poor ventilation Do not install this equipment in a location subjected to excessive heat dust or mechanic...

Page 24: ... shells should be of metal construction so that they provide a screen when connected to the console and where appropriate they should have Pin 1 connected to the cable screen All Jack connector shells should be connected to the cable screen Audio connections This section gives details of the audio connections of the VeniceU Table 1 Connector pinouts Connector on rear panel Example of plug Pinouts ...

Page 25: ...g wiring is recommended for best results Figure 2 Connecting to unbalanced equipment Important If you have any audio problems see Appendix E Best Grounding Practice on page 97 3 Female XLR Male XLR 3 2 1 2 1 Sleeve Ring Tip Male XLR Tip Sleeve Ring Female XLR Input and output sockets on rear of external device Rear of VeniceU console 1 4 TRS Jack Screen Send Return Send Return Tip Sleeve Ring Sock...

Page 26: ...sis connector s on the rear panel for connecting 12V 5W lamp s 1 N A 2 N A 3 ground 4 12V Female XLR chassis connector talk mic 1 ground 2 hot 3 cold USB socket for type B connector The supplied USB lead is terminated in a type B connector and a type A connector Important If you have any audio problems these may be due to ground loops see Appendix E Best Grounding Practice on page 97 N A Headphone...

Page 27: ...17 VeniceU Operator Manual Switching the VeniceU on off Switch the VeniceU on off via the mains switch on the rear panel Mains power supply input on the rear panel A Mains on off switch B Mains power supply socket IEC connector A B ...

Page 28: ...18 Chapter 2 Getting Started VeniceU Operator Manual ...

Page 29: ...OC04 VNUAPPLICATION Windows 7 operating system This section shows how to install and set up USB on a PC running the Windows 7 operating system To install the USB device driver on your PC Do not connect the USB cable to the PC before installing the device driver Important Before installing the USB device driver from the VeniceU USB memory stick we recommend that you make sure it is the latest versi...

Page 30: ...5 In the Choose Install Location screen of the Setup dialog box choose the destination of the USB driver and click Install The installation will begin 6 During the installation procedure the following dialog box will appear Plug the USB cable into the VeniceU console type B connector and into your PC type A connector Then switch on the console and click OK in the dialog box ...

Page 31: ...n general you should be able to use your recording software application on your PC quite successfully using the default USB settings However you can change these settings if desired for example if you have audio problems which is done in the Archwave USB Driver Control Panel window Note The settings available for configuration may be dependent on a number of variables such as the hardware specific...

Page 32: ...e application 2 Info menu Contains the About Control Panel command which opens the About Control Panel dialog box that gives you information on the application 3 Panel associated with the selected option 4 Minimise button Hides the application in your desktop s taskbar 5 Maximise button This has no function in this window 6 Close button Closes the application without saving any changes 7 Menu bar ...

Page 33: ...ist of connected devices showing the device name and serial number of each 2 Up and Down buttons These buttons change the position of a device in the list of connected devices by moving it up down one place at a time 3 Edit Device Name button Lets you change the name of a device 4 Apply button Applies any changes you have made in this window 2 4 1 3 ...

Page 34: ...ls in your audio system Item Element 1 List of input channels 2 Include device name in ASIO display name check box When this check box is selected device names are included in the ASIO display name column 3 Edit Channel Name button Lets you change the name of an input channel 4 Hardware name of selected channel field Shows the default name of the selected input channel 2 1 3 4 ...

Page 35: ... your audio system Item Element 1 List of output channels 2 Include device name in ASIO display name check box When this check box is selected device names are included in the ASIO display name column 3 Edit Channel Name button Lets you change the name of an output channel 4 Hardware name of selected channel field Shows the default name of the selected output channel 2 1 3 4 ...

Page 36: ...omatic Mode option button to let the system set the sampling rate or click the Manual Mode option button if you want to set the sampling rate yourself The Apply button stores any changes 2 Sampling Rate frame lets you set the sampling rate samples per second manually as 44 1kHz or 48 0kHz The Apply button stores any changes made This frame is not available in automatic mode of sample rate selectio...

Page 37: ...em Element 1 Isochronous Streaming frame lets you set the stream buffer depth in the range 1 0 ms to 16 0 ms default is 2 0 ms The Apply button stores any changes 2 Audio Buffers frame lets you set the buffer depths for the ASIO and WDM audio device drivers Both buffer depths can be set between 1 0 ms 88 samples and 80 0 ms 3608 samples and their default is 10 0 ms 528 samples The Apply buttons st...

Page 38: ...28 Chapter 3 Using The VeniceU With USB VeniceU Operator Manual Streams option The Streams option shows the audio and sync I O connections for each connected device ...

Page 39: ...etting you may want to adjust may be available for change in the recording software application itself Configuring the supplied third party recording software In general you should be able to use your recording software application on your Mac quite successfully using the default settings However you can change these settings if desired for example if you have audio problems which is done in the P...

Page 40: ...udio option lets you configure your audio system USB devices For full information on this panel and all recording related information refer to the Reason Operator Manual Audio option window To open the Audio option window In the Reason menu click the Preferences command ...

Page 41: ...7 or later 1 If necessary connect the USB cable to the PC and the console and switch the console on 2 Download the latest VeniceU firmware file from the Midas website onto your PC or plug a USB memory stick loaded with this file into your PC If you see a User Account Control dialog box click Yes 3 Locate the VeniceU firmware file on your PC and double click it In this example the file is called Mi...

Page 42: ...be but the higher the audio latency will be The latency is the time delay between the audio signal entering your VeniceU and being available at your computer also the return path from your computer to the console This will be particularly noticeable when monitoring the output of real time effects in your digital audio software There are a number of helpful websites available with hints and tips on...

Page 43: ...the driver control panel it means that the PC Mac cannot detect a device Do one of the following Connect the VeniceU to your PC Mac If the VeniceU is already connected to your PC Mac check that the connections are good Overcoming ground loop problems See Appendix E Best Grounding Practice on page 97 ...

Page 44: ...34 Chapter 3 Using The VeniceU With USB VeniceU Operator Manual ...

Page 45: ... Chapter 6 Multifunction Input Channel on page 47 Chapter 7 Output Section on page 57 Before using USB read Chapter 3 Using The VeniceU With USB Ground loop problems In the event of ground loop problems disconnect the signal screen at one end of the connecting cables Note that this can only be done when the equipment is used with balanced cable systems For more information see Appendix E Best Grou...

Page 46: ...36 Chapter 4 Working With The Console VeniceU Operator Manual ...

Page 47: ...f the VeniceU It describes the sections of each channel on the control surface and the related connectors on the rear panel Mono input channels on the control surface U32 shown Although the actual number of mono input channels on your VeniceU will depend upon your choice of frame their function remains the same ...

Page 48: ...re protection against accidental 48 volt connection The line input gives 10dB of permanent attenuation to the input signal which allows the connection of extremely high line level signals of up to 42dBu with the pad engaged Item Section 1 Gain see Gain on page 40 2 EQ see EQ on page 41 3 Monitor and aux contributions see Monitors on page 42 and Auxes on page 43 4 Pan see Pan mute and solo on page ...

Page 49: ...ed XLR and Jack inputs are conventionally wired see Table 1 Connector pinouts on page 14 Item Description 1 insert connector Insert point on a single 1 4 TRS Jack socket This is unbalanced and requires a conventionally wired insert lead 2 direct out connector Direct output on a single balanced 1 4 TRS Jack socket 3 line in connector Line in on a single balanced 1 4 TRS Jack socket 4 mic connector ...

Page 50: ...is too high 3 80Hz switch The high pass switch inserts the 80Hz hi pass filter in the input channel signal path before the insert point and EQ This is commonly used to remove handling noise from a mic bass rumble through coupling with the stage or any unwanted low frequency audio 4 mic Ø switch This is a microphone polarity switch that causes a 180 degree phase change with respect to the input sig...

Page 51: ... 20kHz 2 Hi mid gain freq control knob This dual concentric control knob adjusts the gain frequency of the hi mid EQ gain The top control knob adjusts the gain of the hi mid band which is continuously variable from 15dB to 15dB with a centre detent of 0dB freq The bottom control knob adjusts the centre frequency of the hi mid band which is continuously variable from 400Hz to 8kHz 3 Lo mid gain fre...

Page 52: ... bass EQ gain The top control knob adjusts the gain of the bass band which is continuously variable from 15dB to 15dB with a centre detent of 0dB freq The bottom control knob adjusts the centre frequency of the bass band which is continuously variable from 20Hz to 200Hz 5 EQ switch and red LED The EQ switch enables the EQ With EQ disabled adjustment of the EQ controls has no effect This can be use...

Page 53: ...nt to the aux bus is proportional to the aux send control and the channel fader Pre fade aux sends are sourced after the channel insert mute and EQ but before the channel fader As a result the actual level sent to the aux bus is proportional to the aux send control only The following table shows some typical uses for auxes Application Pre Post fade Reason Stage monitors Pre fade post EQ The level ...

Page 54: ...left to hard right with a centre detent and obeys a constant power law that is 3dB at the centre 2 MUTE switch and red LED The MUTE switch mutes the channel signal The signal will still be sent to the insert point and to the direct output The mute LED illuminates to show that the MUTE switch is on 3 SOLO switch and yellow LED With solo enabled the channel signal is sent to the after fade listen AF...

Page 55: ...to use the PFL 2 Fader This channel fader allows for continuous adjustment of the channel level from 4 infinity off to 10dB At 0dB the output of the channel to the stereo mono and group buses will be at unity that is no adjustment in level from the input 3 Group switches Two latching switches route the channel to group 1 or 2 or group 3 or 4 See Routing on page 46 4 mono switch This switch routes ...

Page 56: ...o any of the four group buses using the group switches Group routing is post EQ post mute post fader and post pan stereo Each pair of groups behave as if they were stereo groups The mono signal is positioned in a stereo field by the pan control The left signal is routed to the odd numbered bus and the right signal to the even numbered bus Selecting groups 1 and 2 with pan hard left will result in ...

Page 57: ...s the multifunction input channels of the VeniceU It describes the sections of each multifunction channel on the control surface and the related connectors on the rear panel Multifunction input channels on the control surface All types of VeniceU have four multifunction input channels ...

Page 58: ...n against accidental 48 volt connection The line inputs accept signals up to 28dBu and have 20dB of gain available Item Section 1 Mic input gain see Gain mic inputs on page 50 2 USB see USB on page 50 3 Stereo line input gain see Stereo line inputs on page 51 4 EQ see EQ on page 51 5 Monitors and auxes see Monitors on page 52 and Auxes on page 52 6 Balance mute and solo see Balance mute and solo o...

Page 59: ...ly Item Description 1 insert Insert point on a single 1 4 TRS Jack socket This is unbalanced and requires a conventionally wired insert lead 2 direct out Direct output on a single balanced 1 4 TRS Jack socket 3 line in l mono Line in stereo left or mono on a single 1 4 TRS Jack socket 4 line in r Line in stereo right on a single 1 4 TRS Jack socket 5 mic Mic input on a single balanced XLR female c...

Page 60: ... routing and meter on page 54 80Hz switch On multifunction channels this switch has no effect upon the left and right line inputs mic Ø switch On multifunction channels this microphone phase switch causes a 180 degree phase change with respect to the input signal such that the channel signal will have opposite polarity to the input signal This switch has no effect upon the left and right line inpu...

Page 61: ...nnels EQ Each multifunction input channel of the VeniceU has a four band fixed EQ treble and bass shelving EQ and hi and lo mid EQ stages allowing tonal control over the input signal EQ section of the multifunction input channels Item Description 1 Treble control knob The treble shelving EQ gain is continuously variable from 15dB to 15dB with the shelf frequency set to 12kHz 2 Hi mid control knob ...

Page 62: ...on input channels have similar functionality to those of the mono input channels For more information see Auxes on page 43 Note Stereo left and right channel signals are summed into a mono signal to be routed to the aux buses by the channel aux sends Aux sections of the multifunction input channels 4 Bass control knob The bass shelving EQ gain is continuously variable from 15dB to 15dB with the sh...

Page 63: ...e fully left and fully right positions are 3dB and the centre position is 0dB However when using the mic input the balance controls acts as a pan The fully left and fully right positions are 0dB and the centre position is 3dB 2 MUTE switch and red LED The MUTE switch mutes the channel signal The mute LED illuminates to show when the MUTE switch is on 3 SOLO switch and yellow LED With solo enabled ...

Page 64: ...e The LED meter is post insert and post EQ but pre fader and pre mute 2 Fader This channel fader allows for continuous adjustment of the channel level from 4 infinity off to 10dB At 0dB the output of the channel to the stereo mono and group buses will be at unity that is no adjustment in level from the input 3 Group switches Two latching switches route its channel signal to any of the four groups ...

Page 65: ...is post EQ it is possible to see the effect that the channel equalisation has upon the level It may be necessary to turn the input gain down when excessive EQ is used to prevent the channel from overloading The LEDs represent the following 18 red 18dB overload peak 12 yellow 12dB high level 0 green 0dB normal level 18 green 18dB shows signal is present ...

Page 66: ...56 Chapter 6 Multifunction Input Channel VeniceU Operator Manual ...

Page 67: ...ises the following main areas Group see Groups on page 61 Matrix see Matrices on page 64 Stereo return see Stereo returns on page 66 Monitor see Monitors on page 67 Aux see Auxes on page 68 Mono master see Master outputs mono and stereo on page 69 Stereo master see Master outputs mono and stereo on page 69 Talkback see Talkback on page 71 Playback to masters see Playback and recording on page 72 L...

Page 68: ...58 Chapter 7 Output Section VeniceU Operator Manual Rear panel The main outputs of the VeniceU are located on the rear of the console Output connections on rear panel ...

Page 69: ...mono and stereo on page 69 3 See Talkback on page 71 4 See Playback and recording on page 72 5 See Local monitor and phones on page 73 6 See Master outputs mono and stereo on page 69 7 Master faders 8 Four blue faders which adjust to their current assignment for example groups 9 See Groups on page 61 10 See Auxes on page 68 11 See Monitors on page 67 12 See Stereo returns on page 66 1 12 2 3 4 5 7...

Page 70: ...n mind The real flexibility of the VeniceU is in the speed in which the changeover can be made and also the ability to create a console that can be used for FOH and monitors in a smaller venue where you still need monitors but don t have space for a monitor engineer or console Pressing the aux c o switch will connect the aux bus to the group insert group mute group meter group solo group fader gro...

Page 71: ...ding multifunction input channels For more information see USB on page 62 Each group output has fader level adjustment and metering Group output sections on the control surface Item Description 1 Group insert sockets Each group has an insert point via a single 1 4 TRS Jack socket 2 Group output sockets Each group has an output via a male XLR chassis connector 1 2 5 6 7 8 9 1 2 3 4 ...

Page 72: ...reo switch Routes the channel signal to the stereo master bus post EQ post pan post mute and post fader 5 usb c o switch Activates the USB for the groups 6 pan control knob The pan control allows the group channel signal to be positioned in a stereo field when routed to the stereo master bus The pan control allows continuous adjustment of the image from hard left to hard right with a centre detent...

Page 73: ... This latching switch inserts the USB return to the channel muting the mic and line inputs 2 usb c o This latching switch flips the aux USB output to group output 3 override masters to usb with matrix switch This latching switch overrides the stereo master USB output with the matrix 1 2 output 2 1 3 ...

Page 74: ...ifunction input channel 29 30 For more information see USB on page 62 The VeniceU provides another two outputs from the console which can be contributions from a combination of the console s other outputs The matrix signal can be made from a combination of the group bus signals and mono left and right master signals They can be used to drive additional speaker zones or as effects sends from the gr...

Page 75: ...6dB Unity 0dB is also marked on the scale allowing the signal to be routed to the matrix without any attenuation or gain 3 stereo master control knobs The single stereo master control knob on each matrix comprises a summed signal of the left and right master channels 4 split stereo master source left right switch This switch makes matrix 1 stereo master contribution left and matrix 2 stereo master...

Page 76: ...UTE switch and red LED These switches mute the stereo returns The LEDs illuminate to show that the mute is on 3 SOLO switch and yellow LED These switches route the stereo return signal to the mono PFL bus and stereo AFL buses The LEDs illuminate to show that the solo is on 4 group 1 2 and group 3 4 switches Routes the stereo return channels to groups 1 and 2 return 1 or 3 and 4 return 2 5 stereo m...

Page 77: ...rol knob This output level control gives continuous adjustment of the monitor output signal from 10dB to 4 infinity off 3 MUTE switch and red LED The MUTE switch mutes the monitor send output signal The mute LED illuminates to show that the mute is on 4 SOLO switch and yellow LED The SOLO switch routes the monitor send signal to the mono PFL bus and stereo AFL buses When the SOLO switch is on the ...

Page 78: ...the aux bus is proportional to the aux send control and the channel fader Item Description 1 Control knob Adjusts the aux master level The output level of the aux is continuously variable from 4 infinity off to 10dB 2 MUTE switch and red LED The MUTE switch mutes the aux send signal at every point after the master send level The LED illuminates to show when the mute is on 3 SOLO switch and yellow ...

Page 79: ...ion see USB on page 62 The controls shown in this section are directly responsible for the main outputs from the console Application Pre Post fade Reason Stage monitors Pre fade post EQ The level in the monitor stays constant so that the engineer can change the FOH level without affecting the performer Effects sends Post fade The level sent to the effects is proportional to the fader level so the ...

Page 80: ... red LED illuminates when its mute is on 4 SOLO switches and yellow LEDs The SOLO switches route the stereo mono signal to the PFL mono and AFL stereo buses The LED for each solo switch illuminates when its solo is on Master solo will be overridden by any other channel mix solos 5 Faders These master output faders adjust the output levels which are continuously variable from 4 infinity off to 10dB...

Page 81: ...puts are attenuated by 20dB to help prevent feedback The green LED illuminates to show that the talk mic input is enabled 2 aux 1 4 switch This is a routing button that routes the talk bus signal to all aux buses 3 stereo master switch This is a routing button that routes the talk bus signal to the stereo master buses 4 mon 1 2 switch This is a routing button that routes the talk bus signal to the...

Page 82: ...Recording The two out right and left connectors are recording outputs They are routed via the stereo bus output and operate at a nominal 10dB These outputs provide a direct output from the console that is post everything including mute Item Description 1 playback to masters control knob The level of the input is continuously variable from 4 infinity off to 10dB the nominal level is referenced to 1...

Page 83: ...b Adjusts the headphones level which is continuously variable from 4 infinity off to 10dB 2 MUTE switch and red LED The MUTE switch mutes the headphone signal The LED is illuminated when the switch is on 3 Output socket The local monitor section has a 1 4 TRS Jack socket for headphones There is an additional socket under the armrest of the console 4 pfl switch and yellow LED When this solo switch ...

Page 84: ... There are sockets towards the top of the console s rear panel for connecting 12V desk lamps They accept 4 pin female XLR connectors The power rating of 5W is the maximum rating per output and must not be exceeded Position of the lamp sockets on the VeniceUs ...

Page 85: ...75 VeniceU Operator Manual Appendix A Functional Block Diagrams This chapter contains the VeniceU signal path diagrams ...

Page 86: ...76 Appendix A Functional Block Diagrams VeniceU Operator Manual Mono input module ...

Page 87: ...Mono input module 77 VeniceU Operator Manual ...

Page 88: ...78 Appendix A Functional Block Diagrams VeniceU Operator Manual Stereo input module ...

Page 89: ...Stereo input module 79 VeniceU Operator Manual ...

Page 90: ...80 Appendix A Functional Block Diagrams VeniceU Operator Manual Master and monitor modules ...

Page 91: ...Master and monitor modules 81 VeniceU Operator Manual ...

Page 92: ...82 Appendix A Functional Block Diagrams VeniceU Operator Manual ...

Page 93: ...18 4 2 4 3 2 3 18 4 2 4 3 2 3 Outputs Groups with inserts Monitors with inserts Auxes Matrices with inserts Masters left right and mono with inserts Stereo record output Direct outputs mono and stereo input channels Stereo headphones Local monitors XLR balanced XLR balanced XLR balanced XLR balanced XLR balanced Phono Balanced 1 4 TRS Jack Balanced 1 4 TRS Jack 2 XLR balanced 4 2 4 2 3 2 12 2 2 4 ...

Page 94: ...70dB Frequency response Mic to mix gain 60dB 0dB to 1dB Noise 20Hz to 20kHz Mic EIN at 60dB gain mono channel Mic EIN at 60dB gain stereo channel Mic EIN at 40dB gain mono channel Mic EIN at 40dB gain stereo channel 0dB line to direct output mono 128dBu 128dBu 125dBu 125dBu 97dBu USB digital audio Sampling frequency Bit rate Dynamic range 20Hz to 20kHz 48kHz or 44 1kHz 24 bit only A D 109dB unweig...

Page 95: ...t 2kHz to 20kHz 15dB boost cut 400Hz to 8kHz Fixed at 1 Octave Fixed at 1 Octave 15dB boost cut 100Hz to 2kHz 15dB boost cut 20Hz to 200Hz Equaliser stereo channel Treble shelf Hi mid bell Lo mid bell Bass shelf 15dB boost cut control at 12kHz 15dB boost cut control at 3kHz 1 4 Oct 15dB boost cut control at 300Hz 1 4 Oct 15dB boost cut control at 75Hz High pass filter High pass slope High pass fil...

Page 96: ...pecification VeniceU Operator Manual External dimensions of the U16 U24 and U32 consoles Dimensions are in millimetres inches VeniceU16 552 21 7 VeniceU24 760 29 9 VeniceU32 960 37 8 528 20 8 263 10 4 89 3 5 20 246 9 7 578 22 7 ...

Page 97: ...normal operating level 12dB high signal level 18dB 3dB before channel overload clipping The input gain of the channel can be used to obtain the best operating level for the console Too small a signal level too little gain and the best signal to noise ratio will not be achieved too high a signal level too much gain and there is the chance of overloading the channel causing distortion Clearly the ga...

Page 98: ...justed on the channel fader You can monitor the level pre EQ and post EQ using the LED meter by switching the EQ in and out during sound check Dynamic processing When working with signals that are constantly at a high level the channel gain can accommodate these signals with ease When working with varying signals such as from a vocalist it may be desirable to reduce the dynamic range of the signal...

Page 99: ...d signals 32 channels summed together will give around 6dB to 9dB gain because it is unlikely that all 32 channels will receive the same signal at the same time Instead signals will occur at different times and there will be cancellation due to phase and frequency differences Signal Processing and Amplifiers The final links in the system tend to be graphic equalisers loudspeaker processors and fin...

Page 100: ...The flexible routing of the VeniceU allows the console to operate as both a FOH and monitor console or as a combination of both For operators that haven t got a great deal of experience here are a few helpful guidelines FOH mode The group aux changeover switch on each group see Group aux changeover on page 60 should be released in the off position so that the group fader controls the group bus sig...

Page 101: ... processing for example delay EQ etc The levels are now individually controllable MON mode The group aux changeover switch on each group see Group aux changeover on page 60 should be depressed in the on position so that the group fader controls the aux bus signal Channel signal should be sent to the aux as required and the aux sends should usually be configured to pre fader The console group outpu...

Page 102: ...92 Appendix C Application Notes VeniceU Operator Manual ...

Page 103: ...s This appendix provides you with a template each for the mono and multifunction input channels These will help you keep a record of your most important settings and make notes If necessary you can make copies of these pages if you need more records ...

Page 104: ...94 Appendix D Crib Sheets VeniceU Operator Manual Mono input channels Notes ...

Page 105: ...Multifunction input channels 95 VeniceU Operator Manual Multifunction input channels Notes ...

Page 106: ...96 Appendix D Crib Sheets VeniceU Operator Manual ...

Page 107: ...he law it is important that none of these earth connections are tampered with in any way Ground loops When connecting audio signals or data between devices within an audio system a signal ground connection must be provided that screens the signals from electromagnetic interference This ground connection combined with the safety earth produces a ring of conductors often referred to as a ground loop...

Page 108: ...of this The high speed nature of the connection necessitates a good screen ground to bond the computer to the VeniceU However if the computer is grounded via its power cable a ground loop will exist that can inject current into the console chassis and may produce currents or small voltages that can affect other externally connected equipment The size of the injected current will vary from one comp...

Page 109: ...p is present Midas VeniceU console Power distribution unit PDU Power supply unit PSU with internal isolation barrier USB connection Broken ground loop Power connection Laptop PC Mac Power connection Isolation barrier Midas VeniceU console USB connection Power distribution unit PDU Power supply unit PSU without internal isolation barrier Ground loop Power connection Laptop PC Mac Power connection ...

Page 110: ...lone This will provide a degree of isolation from other ground noise inducing apparatus such as fans lighting etc Cable runs Plan power cabling as far as is practical so that it follows the same physical paths as the audio connections This reduces the area contained within any ground loops which will minimise the currents induced from magnetic fields into their conductors Similarly audio cables to...

Page 111: ...any induced noise is rejected because it is common to both conductors The process of eliminating noise like this is called common mode rejection CMR which is often measured as a ratio common mode rejection ratio CMRR CMRR is dependent on the performance of the sending and receiving circuits at either end of the connection Balanced connection diagram Power distribution unit PDU GEQ for example Squa...

Page 112: ...if cables are to be hot plugged Then any cables that are plugged first that is only into an input will have a screen and thus will not be a source of severe electromagnetic interference which would be the case without the screen connection If a transformer is utilised within the balanced connection the best CMRR performance will be obtained by breaking the screen ground at the transformer end of t...

Page 113: ...ced unit while the other conductor carries the ground as a reference from the unbalanced device to the cold connection on the balanced unit The screen is connected at the unbalanced end only This referenced connection works for balanced to unbalanced and vice versa Ground referenced insert wiring diagram For a typical example of how to wire a ground referenced insert see Figure 1 on page 15 the ex...

Page 114: ...is a class 1 device very often the internal signal ground can be isolated from the safety ground This is normally achieved by setting an external ground lift switch or breaking an internal link Refer to the equipment s manual and qualified technicians for advice on any such internal links If ground isolation is available it should be used so that the screen ground connection from the insert points...

Page 115: ...However if absolutely necessary it is unlikely to cause major problems Signal ground bonding If an unbalanced connection is required to external equipment with signal grounds that cannot be isolated from safety earth it will be difficult to eliminate ground loop currents but their effects can usually be reduced The currents within a ground loop will generate small voltages in the cables including ...

Page 116: ...the bond connection between console and 19 rack Midas VeniceU console Power distribution unit PDU Power connection Power supply unit PSU without internal isolation barrier Laptop PC Mac Power connection USB connection Power connection 19 rack Audio connection Bond Power connection ...

Page 117: ...eaning the console Switch off the console and electrically isolate it from the mains before cleaning Clean the console using a dry lint free cloth Do not use harsh abrasives or solvents When cleaning the console take great care not to damage faders pushbuttons etc Troubleshooting If you encounter ground loop problems see Appendix E Best Grounding Practice on page 97 Special accessories To comply w...

Page 118: ...nment during their life times and when they become waste The WEEE directive addresses the disposal of products when they have reached the end of their life and contributes to the reduction of wasteful consumption of natural resources This will help to reduce pollution and protect the environment and ourselves If this equipment carries a crossed out wheelie bin shown left please do not dispose of W...

Page 119: ...equency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Important information Changes or modifications to the equipment not expressly app...

Page 120: ...110 VeniceU MUSIC Group IP Limited ...

Page 121: ...hank you for reading through this Operator Manual We hope you found it useful Please feel free to send us your comments Our contact details and website address can be found at the front of this document ...

Page 122: ... Industrial Park Walter Nash Road Kidderminster Worcestershire DY11 7HJ England Tel 44 1562 741515 Fax 44 1562 745371 Email mkt info music group com Website www midasconsoles com 2012 MUSIC Group IP Limited ...

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