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Obit.6User Guide Issue 1

 

Copyright © 2022 Union Audio Limited.  All rights reserved

 

 

To the best of our endeavors, we believe the information contained in this user guide to be true and accurate but we do not assume responsibility for 
inaccuracies or omissions, and reserve the right to make any changes deemed necessary.

 

 

 

 

This product has been designed to comply with the applicable standards, regulations, and directives for the countries where the product is 
marketed.

 

NOTE:   

Changes or modifications to this mixer, or its associated power supply, could negatively impact compliance and the user

s authority 

to operate it.

 

 

 
 

Designed and manufactured in the United Kingdom by:

 

Union Audio Limited

 

Unit 10 Barncoose Industrial Estate

 

Redruth

 

Cornwall

 

TR15 3RQ

 

UK

 

http://www.unionaudio.co.uk

 

Summary of Contents for Orbit.6

Page 1: ......

Page 2: ...e any changes deemed necessary This product has been designed to comply with the applicable standards regulations and directives for the countries where the product is marketed NOTE Changes or modifications to this mixer or its associated power supply could negatively impact compliance and the user s authority to operate it Designed and manufactured in the United Kingdom by Union Audio Limited Uni...

Page 3: ...ach of any express or implied warranty of this product Conditions of Warranty The equipment has not been subject to misuse either intended or accidental neglect or alteration other than approved by Union Audio The warranty does not cover potentiometer wear and tear Any necessary adjustment alteration or repair has only been carried out by Union Audio or distributor or appointed service agent The d...

Page 4: ...ifier inputs Do not install the mixer or power supply near any heat sources such as radiators stoves amplifiers or other apparatus that generates heat When fitted to a 19 rack ensure the unit has adequate ventilation and that equipment installed above or below does not generate significant amounts of heat or magnetic fields that may create hum If necessary install a rack mounted cooling fan to pre...

Page 5: ...no user serviceable parts inside Refer servicing to qualified service personnel only Do not remove any covers either on the mixer or the power supply Install only in accordance with the manufacturer s instructions The power supply must have a good safety ground connection Do not tamper with or remove the safety ground in the power cord Always use a power cord appropriate to your local mains supply...

Page 6: ...n 13 Booth and Headphones 14 Rear Panel Input Connections 15 Mixer Output Connections 16 Record and Auxiliary connections 17 Application Diagram 18 Block Diagram 19 Technical Specification 20 Notes on Cable Types 21 Index Contents continued Europa Power Supply 22 Connecting the PSU to the mixer 23 Care of the Mixer 24 Mixer Dimensions 25 Europa Dimensions 26 Service Record and Notes 27 ...

Page 7: ...etricIsolatorwith 6dBofboostand 70dBofattenuation providingausefultoolfordramaticmusicalcontouringorforaudio equalizationadjustment TheMasterMixcontrolsetsthemixoutputsignallevel withtheBoothmonitorsectionfeaturingbothlevelcontrolandtwo bandequalization ThehighpoweredHeadphoneCue monitorsystemhasbothlevelcontroland an AddMix functionforeaseofbeatmatching ThemixbussismonitoredpreMasterLevelbytwoeas...

Page 8: ...e overall tonality A purpose made discrete audio op amp however only needs sufficient complexity to perform its intended function and can therefore be designed with far fewer components In addition each of these components can be individually chosen for best audio performance rather than being limited by what can be etched onto a single wafer of silicon The two schematics above left highlight the ...

Page 9: ...9 ...

Page 10: ...ected by the Channel Fader When Pre is selected the Aux Send level is not affected by the Channel Fader Trim Controls the level of the input signal from fully OFF to a maximum gain of 10dBu Use in conjunction with the Channel VU Meter to set the optimum signal level with the average lighting the green 0VU LED and the peaks just lighting the orange 3VU LED RIAA Line select CH1 4 Switches between PH...

Page 11: ...be operated fully clockwise on any channel feeding into the mix The faders are heavily damped for precise level changes and are also backlit red for easy navigation in low light conditions Channel Meter Each channel has its own associated 10 bar LED meter The meter is peak reading and is scaled from 25VU to PK 12VU For optimal signal to noise ratio SNR with minimum distortion THD set the channel a...

Page 12: ...on can be activated by changing an internal jumper link contact Union Audio or an authorised service agent for more details Rear Panel Controls Ch Six Line A to Mic Pressing in this button routes the Microphone Input to Channel Six Line A NOTE that the LINE A RCA input on Channel Six will be deactivated MIC Input XLR Balanced XLR Input Pin1 Ground Pin 2 Hot Pin 3 Cold Mic Trim Sets the gain of the...

Page 13: ... signal cut and 6dB of boost over three frequency bands High Mid Low Like an EQ the Isolator can be used for audio frequency correction however unlike an EQ the Isolator completely attenuates the signal when the knobs are fully anti clockwise With the knob pointers in the centre position the frequency response is flat Output Meters The large analogue VU Meters allow for easy monitoring of the left...

Page 14: ... the headphone output The Orbit 6 is fitted with a powerful high quality headphone amplifier optimised for use with headphones having an impedance between 33ohms to 170ohms Headphones with impedances above or below the recommended impedance should be avoided and in particular headphones with impedances below 33ohms could cause damage to the circuitry WARNING Avoid operating the mixer with headphon...

Page 15: ...r Line level signals within the range of 26dBu to 10dBu Channel 5 Channel five has line level inputs for both A and B Channel 6 Channel six has line level inputs for both A and B but additionally Input A can be switched to the Mic Channel see page 12 Channel Direct Out The channel direct output jack sockets carry the post fade signal for each of the six channels These can be connected to a multi t...

Page 16: ...ally EBOS balanced with Pin 2 hot positive phase Pin 3 cold negative phase and Pin 1 Ground When the Master Level control is fully clockwise with the Meters reading 4VU the output level is approximately 6dBu These XLR outputs can be used balanced or unbalanced by connecting Pin 3 to Ground Master Insert The Master Inserts are fitted with 1 4 TRS Jacks and follow the standard convention of Tip Send...

Page 17: ...Master Level control Auxiliary Out The Auxiliary Output is via a pair of balanced 1 4 TRS Jack sockets following the standard convention of Tip Hot Ring Cold and Sleeve Ground The nominal output level is 0dBu Auxiliary Return The Auxiliary Return is via a pair of unbalanced 1 4 TRS Jack sockets following the standard convention of Tip Hot Ring Signal Ground and Sleeve Chassis Ground The nominal in...

Page 18: ...Application Diagram ...

Page 19: ...19 Block Diagram ...

Page 20: ...el Mix Out 0 5 THD 26dBu Dynamic Range 115dB EQ and Filter Frequency Channel High Pass Filter Fully Clockwise 3dB 1100Hz Isolator Crossover Frequencies 320Hz and 3800Hz Booth EQ 3dB 100Hz and 5000Hz Dimensions Mixer Front Panel 482 5mm x 176mm 4U 19 Rack Mount Depth 170mm 6 7 10 Weight 6 35kg 14lb PSU Top Panel 200mm x 200mm 7 7 8 x 7 7 8 Depth 52mm 2 Weight 2 2kg 5lb Packed Dimensions Size L x W ...

Page 21: ...ert Send Return Cable RCA Phono Cable Balanced XLR Cable Pin 1 Ground Pin 2 Hot Pin 3 Cold Cable Types For best performance always use high quality audio cables and interconnects Tip Send Connect to External Processor Input Ring Return Connect to External Processor Output Sleeve Common Ground Black Left Channel Red Right Channel ...

Page 22: ...analogue power rails are extremely quiet with a typical wide band output noise level of 85dBu at the rated output of 1 amp The analogue power rails are fully protected against short circuit and overvoltage and each rail has its own visual status indicator Green for good flashing Amber for overheat warning or flashing Red in the event of a shutdown The 12 volts for the valve heaters is derived from...

Page 23: ...g left then push the connector fully in until it locks To release the Kycon connector pull back the spring loaded outer sleeve until the plug withdraws from the socket Never pull on the cable to release the connector as this could cause damage to the cable or connector system Once both devices are connected and the power supply is plugged into the mains use the switch on Europa to power up Orbit 6...

Page 24: ...and if possible turn the unit upside down to minimise ingress Clean off the spill with a damp cloth and dry thoroughly before powering back on If afterwards the mixer fails to function properly or is excessively noisy contact Union Audio technical support or an appointed service agent to have the unit inspected at the earliest opportunity When not in use cover the mixer with a dedicated protective...

Page 25: ...25 Mixer Dimensions ...

Page 26: ...26 Europa PSU Dimensions ...

Page 27: ...27 Service Record and Notes Service Date Carried out by Signature Service Date Carried out by Signature Service Date Carried out by Signature Service Date Carried out by Signature Notes ...

Page 28: ...28 ...

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