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© Seemix Sound AS

5.1

Audio Block Diagram

5.

TECHNICAL INFORMATION

Audio block diagram for 4-output Seeport

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Summary of Contents for Seeport 4

Page 1: ...4 Seeport 4 User Manual Seemix Sound Seeport Portable Mixer www seemix no interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro audio with a smile ...

Page 2: ...S assumes no responsibilty for any infringement of the intellectual property rights of third parties wherever applicable which would result from such use Seemix Sound AS reserves the right to amend any of the information given in this manual without further notice Seemix Sound AS Åmotveien 2 P O Box 131 N 1380 Heggedal Norway Telephone 47 66 77 12 80 Telefax 47 66 77 12 81 E mail info seemix no ww...

Page 3: ...2 3 9 AC POWER SUPPLY MODULE P3807 24 3 10 AC DC POWER SUPPLY MODULE P3806 25 4 OPTIONS 26 4 1 INSERT POINTS ON INPUTS INS3800 26 4 2 VU METER BRIDGE VU3801 26 4 3 EXPANSION CABLE EC3800 26 4 4 TRANSPARENT DUST COVER DC3808 12 16 26 4 5 MODULE EXTENDER CARD EX07 27 4 6 FLIGHT CASES FC3808 12 16 27 4 7 RACK MOUNTING BRACKETS MB3800 27 5 TECHNICAL INFORMATION 28 5 1 AUDIO BLOCK DIAGRAM 28 5 2 REMOTE...

Page 4: ...port has been much appraised over the years incorporating a high functional level into a compact yet uncluttered user surface Seeport is available in three frame sizes and with a range of different modules Full details of all modules are given in this manual Built to very high standards both mechanically and electronically Seeport is robust and extremely reliable in operation All faders used are P...

Page 5: ...4 User Manual 2 MIXER LAYOUT 2 Mixer Layout The following drawing is an example of an 7 channel configuration The 4 output version is available in three frame sizes housing 7 11 or 15 input modules S E E P O R T ...

Page 6: ...s PAN OFF Deactivates pan pot Signal is sent equally to all 4 outputs S N SWITCH With this switch in the S position a phase reversal of the signal is sent to outputs B and D This provides therefore the S signal of an MS configuration on both A B and C D outputs The M signal would be fed from a separate mic channel in N normal position In this way two faders can be used for controlling an MS signal...

Page 7: ...tion In MIC position the CUE1 or CUE2 signalling bus may be fed jumper dependent JUMPER SETTINGS The following jumper settings are available for the module INSERT option CUE1 or CUE2 or no CUE when on air PFL control activating channel PFL button overrides monitor selec tion and activates PFL monitoring Cue 2 and PFL Ctrl cannot be used simultaneously PFL muted by ON AIR or PFL independent of ON A...

Page 8: ...d C D outputs The M signal uses the left input connector the S signal the right AUX 1 4 AUX output pre post selectors and level pots AUX 1 and AUX 2 have center off switches and no pots AUX send signal can be either mono sum of left and right input channels or stereo left goes to Auxes 1 and 3 right to Auxes 2 and 4 This choice is jumper selectable BAL Stereo balance potentiometer Adjusts balance ...

Page 9: ...R SETTINGS The following jumper settings are available for the module INSERT option AUX sends mono or stereo PFL muted by ON AIR or PFL independent of ON AIR PFL control activating channel PFL button overrides monitor selec tion and activates PFL monitoring The positions of these jumpers are indicated in the diagram below Jumper settings I3810 MODULE AUDIO BLOCK DIAGRAM 3 MODULES ...

Page 10: ...ctivates the hybrid function itself and connects the line to the channel It also disconnects the telephone set 100ms after making the channel connection as mentioned above Relea sing the connect button breaks the connection to the mixer chan nel and re connects the telephone set again after 100ms to enable off air conversation NB The set will only be re connected when the relevant CUE signal is no...

Page 11: ...ND can be selected from either AUX1 2 as described above or an external source The module also has a channel out connector This is fed from the post fade signal and provides an extra output independent of the rest of the mixer This enables the module to be used as a stand alone hybrid For example the Channel Out is sent to an external mixer and the output of this mixer is in turn connected to the ...

Page 12: ...tereo ganged limiters or separate for each channel RETURN Return level pots for A and B return inputs 3 4 Output modules U3811 3 MODULES A B C D In the 4 output version two U3811 output modules are used labelled respectively A B and C D Outputs A and B may be routed to respectively C and D enabling A and B to be used as subgroups Switches for this are located on the TK3803 module ...

Page 13: ...AM Jumper settings SIGNALLING When one or both faders are open the fader start relay for the output channels will be closed JUMPER SETTINGS This module is also used in the 2 output version of Seeport Jumpers must be set accordingly as indicated in the drawing below 3 MODULES ...

Page 14: ...sion of the U3811 main output module for use where no controls are required It has no faders limiters PPMs or return inputs Two modules are used in the 4 ouptut configuration 3 5 Light Output Modules U3804 3 MODULES U3804 Module Audio Block Diagram C D ...

Page 15: ...15 Seeport 4 User Manual 3 MODULES THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 16: ...always follows the monitor selection PHONES 2 Level control for the Phones 2 headphone output The left and right channels of the phones 2 ouput can be individually set by jumper to any one of the follo wing possibilities PHONES 2 LEFT follows either the selected left monitoring output output A PFL left or AUX 3 output PHONES 2 RIGHT follows either the selected right monitoring output output B PFL ...

Page 17: ... Phones 2 output set to follow either monitor selection A B outputs PFL left right outputs or AUX 3 AUX 4 outputs Individual settings for L and R channels EXT L R switches lowest monitor select switch selects external monitoring source from either ext inputs on back panel or from optional Y3802 module in 11 and 15 channel frameworks only Individual settings for L and R channels C D switch next low...

Page 18: ...nables outputs A and B to be used as subgroups TB RET Talkback return level potentiometer The talkback return sig nal is sent to both L and R PFL buses TALKBACK BUTTONS Non latching talkback pushbuttons Routes TB signal or oscillator to respective output s OSC MIC Talkback circuits can be fed either from the talkback mic or from the built in oscillator OSC 1k 60 12k Oscillator frequency selector 6...

Page 19: ...n the M3805 monitor module appropriately any of the talkback butoons when depressed can be made to dim the main monitoring and pfl mono outputs OUTPUT AMPLIFIERS Output amplifiers for auxiliary and main outputs are located on the TK3803 module 3 MODULES TK3803 MODULE AUDIO BLOCK DIAGRAM ...

Page 20: ...the M3805 mo nitor module MON SOURCES TO EXT Five external stereo sources connected via a 25 pin D sub connector on back panel can be summed and monitored when the EXT monitor buttons on the M3805 module are selected COMPATIBILITY METER Meter for indicating phase content correlation in the stereo output signal Follows the selected monitoring source LOUDSPEAKER Monitors the mono summed PFL signal 3...

Page 21: ...Module Information Y3802 MODULE AUDIO BLOCK DIAGRAM CONFIGURATION LIMITATIONS The Y3802 module can only be used in 11 or 15 channel Seeport 4 fra meworks The module is positioned between the monitor and power mo dules 3 MODULES ...

Page 22: ...tputs are positio ned at the rear of the module which appear on the back panel These are Pres 1 headphones mono Pres 2 headphones mono Monitor left and Monitor right PRES1 PRES2 Level controls for headphones outputs for each presenter plus monitor selection switches T B T B Pushbutton switches for sending talkback to each presen ter INPUT LEVEL CONTOLS Adjusts input level for external sources plus...

Page 23: ...resenter The module is designed primarily for mono monitoring Each presenter output is terminated as a mono balanced pair on an XLR connector allowing headphones to be driven over long cable lengths Left and right monitoring outputs are also available on XLR connectors for monitoring by the engineer Typically these outputs might be fed to the EXT monitor inputs on the M3810 moni tor module Input l...

Page 24: ...ower Supply Module P3807 Module Information All Seeport mixers can be equipped with two different power supplies The P3807 which runs off AC mains or the P3806 which runs off AC or DC supplies see next page P3807 accepts all mains voltages between 90 and 264 V AC The output voltages generated internally are 15 V and 48 V 3 MODULES ...

Page 25: ...ching the unit on and off AC DC SWITCH Selects whether the mixer is to be fed from AC or DC supply FUSE 10AT 10 amp slow blow fuse for protection of DC input 3 11 AC DC Power Supply Module P3806 Module Information The module accepts all mains voltages between 90 and 264 V AC or 10 32V DC The output voltages generated internal ly are 15V and 48V 3 MODULES ...

Page 26: ...mixer controls when on air 4 Options 4 1 Insert Points on Inputs INS3800 Insert points on inputs is available as an option for any or all channels The insert points appear on 9 pin D sub connectors which extend over the top of the back panel above each module Both inputs and outputs are unbalanced Pin outs and dimen sions are given in section 5 5 4 2 VU Meter Bridge VU3801 A meter bridge housing 6...

Page 27: ...ses 4 6 Flight Cases FC3808 12 16 Sturdy flight cases for transport are available for all mixer sizes All cases include a small section for cables spare modules etc 4 7 Rack Mounting Brackets MB3800 An 7 channel Seeport 4 can be mounted in a 19 rack with the use of rack mounting brackets The brackets may also be used for larger frame sizes for flushing into furni ture 4 OPTIONS ...

Page 28: ...28 Seemix Sound AS 5 1 Audio Block Diagram 5 TECHNICAL INFORMATION Audio block diagram for 4 output Seeport ...

Page 29: ...through the switches is 100mA The CUE 2 bus can alternatively be used for PFL control jumper selectable For this to function the equivalent PFL CTRL jumper must be set on the M3805 monitor module PFL control is also available from the I3810 stereo module Both CUE signals can also be used to disconnect a telephone set that is connected to the TH3802 telephone hybrid module in order to prevent the s...

Page 30: ...30 Seemix Sound AS 5 3 Level Diagram 5 TECHNICAL INFORMATION ...

Page 31: ...12 dB octave I3810 Stereo Line Input Module I3809 Mic Mono Line Input Module Equalizer HIGH eq section of I3800 module at min and max frequencies Q value at max peak dip 1 3 High Pass Filter At 80 and 140 Hz cut off frequencies 12 dB octave Equalizer LOW eq section of I3800 module at min and max frequencies Q value at max peak dip 1 3 LOW range 5 TECHNICAL INFORMATION ...

Page 32: ...ders together with two CUE signals are available on 25 pin female D connectors The 8 channel mixer has one connector the 12 and 16 channel mixers have two connectors Pin outs are given below All outputs are in the form of a bipolar solid state relay switch capable of 100 mA REMOTE CONTROL CONNECTOR 7 Ch Mixer 11 Ch Mixer 15 Ch Mixer Pin 1 14 Ch 1 Pin 2 15 Ch 2 Pin 3 16 Ch 3 Pin 4 17 Ch 4 Pin 5 18 ...

Page 33: ... example a 7 channel and an 11 channel mixer to be used together as an 18 channel mixer The cue signal buses in the two mixers are directly connected together The 0 volt references of each mixer are directly connected together Pin configuration of the multi pin connectors and cable connections are shown below 5 TECHNICAL INFORMATION Insert Points Connectors Insert points for inputs are connected o...

Page 34: ...34 Seemix Sound AS 15 channel mixer 5 6 Back Panel Layouts 7 channel mixer 5 TECHNICAL INFORMATION 11 channel mixer ...

Page 35: ...sions shown for an 7 channel frame size Dimensions and weights for all frame sizes FRAME SIZE DIMENSIONS WxDxH WEIGHT 7 channel 448 x 375 x 90 mm 9 5 Kg 11 channel 636 x 375 x 90 mm 12 0 Kg 15 channel 778 x 375 x 90 mm 15 0 Kg 5 TECHNICAL INFORMATION SEEPORT ...

Page 36: ...dance 25 kOhm 2 Common mode rejection 1 kHz 60 dB typically 70 dB 20 kHz 50 dB typically 55 dB Outputs MAIN OUTPUTS A B C and D AUX 1 4 OUTPUTS Output type Transformer balanced Output impedance 40 Ohm Minimum load impedance 300 Ohm MONITOR OUTPUTS A B C D PFL and TB OUTPUT plus CH OUT on TH3802 Output type Electronic balanced Output impedance 40 Ohm Minimum load impedance 600 Ohm PHONES 1 and PHON...

Page 37: ...0 3 Line input 0 dB gain 30 Hz 0 2 0 5 1 kHz 0 02 0 02 20 kHz 0 02 0 05 Output noise level All channels routed to a main ouput channel faders at minimum gain output fader at 0 dB gain N10 system noise 77 dBu CCIR weighted peak 85 dBu RMS 22 Hz 22 kHz As above one channel fader open line input 74 dBu CCIR weighted peak 83 dBu RMS 22 Hz 22 kHz Mic input 50 dB gain 64 5 dBu CCIR weighted peak 74 5 dB...

Page 38: ...interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro audio with a smile ...

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