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Rear Connectors

INPUT (3 pin female XLR)

Pin 1 

Ground

Pin 2

Signal (Hot)

Pin 3

Signal (Cold)

HI-Z INPUT, INSERT RETURN (1/4" 3-pole Jack)

Tip

Signal (Hot)

Ring

Signal (Cold)

Sleeve

Ground

DIRECT OUTPUT, INSERT SEND, (1/4" 3-pole Jack)

Tip

Signal

Ring

Ground Sense

Sleeve

Ground

Input Module

21

Summary of Contents for SM 16

Page 1: ...SOUNDCRAFT USER GUIDE 16 ...

Page 2: ...a retrieval system or transmitted in any form or by any means electronic electrical mechanical optical chemical including photocopying and recording for any purpose without the express written permission of Soundcraft Electronics Ltd It is recommended that all maintenance and service on the product should be carried out by Soundcraft Electronics Ltd or its authorised agents Soundcraft Electronics ...

Page 3: ...ation 7 Installation 8 Wiring Considerations 8 Power Supply CPS900 8 Connections 9 Wiring Conventions 9 Module Block Diagrams 11 Input Module 15 Module Description Operation and Specification 16 Jumper Options RH PCB 19 Group Output Module 23 Module Description Operation and Specification 24 Master Module 29 Module Description Operation and Specification 30 Jumper Options 34 ...

Page 4: ...Appendices 37 Specification Notes 38 Performance Specifications 39 Dimensions 40 Warranty 41 Glossary 42 ...

Page 5: ...Introduction Introduction 1 ...

Page 6: ... The SM16 is available in three frames sizes 32 40 and 48 channels The frames are configured from left to right inputs 1 24 master groups 1 8 inputs 25 32 32 channel inputs 25 40 40 channel inputs 25 48 48 channel Power Supplies All frame sizes will use the CPS900 PSU Connection to the console is via an 8way and a 16 way SRC connector below inputs 21 24 The SRC panel also carries a ground binding ...

Page 7: ...eter in the overbridge The groups are metered by bargraphs which are next to the faders on the output modules The stereo mix solo metering is by two illuminated VU meters with integral peak LEDs in the overbridge above the master module Introduction 3 ...

Page 8: ...sary to move it any distance after installation it is recommended that this packing is used to protect it Be sure to disconnect all cabling before moving If the console is to be regularly moved we recommend that it is installed in a foamlined flightcase At all times avoid applying excessive force to any knobs switches or connectors Power Supplies cables Always make sure that the power supply unit ...

Page 9: ...ded performance or damage to the microphone may result The sensitivity of the XLR inputs is variable from 2dBu to 70dBu and 10dBu to 20dBu in two ranges for 4dBu at the Mix outputs The maximum input level is 28dBu The Hi Z inputs have a sensitivity variable between 10dBu and 20dBu The maximum input level is 30dBu The main outputs of the console stereo mix groups wedge and mix and group insert send...

Page 10: ...6 Introduction ...

Page 11: ...Installation Installation 7 ...

Page 12: ...ety earth reference for each piece of equipment B Install separate mains outlets for the audio equipment and feed these independently from any other equipment C Avoid locating mains distribution boxes near audio equipment especially tape recorders which are very sensitive to electromagnetic fields D Where possible ensure that all audio cable screens and signal earths are connected to ground only a...

Page 13: ...RNAL RETURNS MIX L R WEDGE OUTPUTS GROUP TB OUTPUTS AFL PFL OUTPUTS 1 4 A Gauge Stereo Jack Plug used as balanced input Line inputs insert returns 1 4 A Gauge Stereo Jack Plug used as ground compensated output Input insert sends Input direct outputs 1 4 A Gauge Stereo Jack Plug used as stereo output Headphones 1 4 A Gauge Stereo Jack Plug used as balanced output Mix insert sends Group insert sends...

Page 14: ...10 Installation ...

Page 15: ...Module Block Diagrams Module Block Diagrams 11 ...

Page 16: ...PFL BUS GROUPS 1 16 BUSSES R STEREO BUS L STEREO BUS Input Module 12 Module Block Diagrams ...

Page 17: ...Group Output Module Module Block Diagrams 13 ...

Page 18: ...Master Module 14 Module Block Diagrams ...

Page 19: ...Input Module Input Module 15 ...

Page 20: ...48V phantom power to the input XLR An integral red LED in the switch indicates when the phantom power is on 4 The PHASE switch reverses the phase of the selected input 5 The cutoff frequency of the secondorder highpass filter is varied between 30Hz and 400Hz by the FILTER FREQUENCY control The filter is deactivated completely by an integral switch when the pot is fully anticlockwise 1 2 14 13 5 6 ...

Page 21: ...reased to 2 6 by depressing the HI Q button 11 The shelving LF section has a maximum cut or boost of 15dB and the frequency is variable between 20Hz and 400Hz 12 The EQ section is switched in when the EQ switch is depressed An integral green LED indicates when the EQ is in circuit The Frequency Response Curves of the Equaliser High Mid EQ High Q Low Mid EQ High Q HF EQ High Mid EQ Normal Low Mid E...

Page 22: ...h indicates when the module is assigned to its respective mute bus When the module is muted by any of the mute buses the LED in the CUT switch illuminates 16 The Post fader signal level is controlled by a 60mm Fader The post fader signal is routed to the Direct Out jack on the rear connector panel this is a ground compensated output at a nominal level of 2dBu The post fader signal is also fed to t...

Page 23: ...ding bargraph meter in the overbridge meters the signal directly after the input amplifier The meter has a peak reading ballistic characteristic Jumper Options RH PCB Function Options Default Insert point post EQ J1 J3 J6 jumpers IN for post EQ J2 J4 J5 jumpers IN for pre EQ Group 1 8 Pre fade signal post mute J14 jumper IN for pre EQ pre insert J15 jumper IN for pre mute J13 jumper IN for post mu...

Page 24: ... 20dBu Maximum i p level 30dBu Input Impedance 10KΩ balanced INSERT SEND ground compensated Nominal Level 2dBu Maximum Output Level 20dBu into 2kΩ Output Impedance 75Ω INSERT RETURN electronically balanced Sensitivity 2dBu Maximum I P Level 20dBu Input Impedance 10KΩ balanced DIRECT OUTPUT ground compensated Nominal Level 2dBu Maximum Output Level 20dBu into 2kΩ Output Impedance 75Ω 20 Input Modul...

Page 25: ...LR Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold HI Z INPUT INSERT RETURN 1 4 3 pole Jack Tip Signal Hot Ring Signal Cold Sleeve Ground DIRECT OUTPUT INSERT SEND 1 4 3 pole Jack Tip Signal Ring Ground Sense Sleeve Ground Input Module 21 ...

Page 26: ...22 Input Module ...

Page 27: ...Group Output Module Group Output Module 23 ...

Page 28: ...olo 3 The electronically latching AFL switch which has an integral amber LED feeds the post fade post insert group signal to the engineer s wedge speakers and phones output however if INPUT PRIORITY see the Master Module is enabled then any active input PFLs will replace the AFL signal and the group will not be heard until the inputs are un PFLed If solo AUTO CANCEL see the Master Module is select...

Page 29: ...ered by an integral peakreading 16 segment LED bargraph which is situated next to the Fader the meter is calibrated for 0 at 4dBu output An internal jumper allows the meter response to be set to average reading instead of peak reading External Input An external input from an XLR on the lower rearcon may be added to the group bus The input is balanced with a sensitivity of 4dBu 11 The EXT IN contro...

Page 30: ...ower Meter Response J17 Peak or Average Peak Upper Meter Response J18 Peak or Average Peak Input and Output Levels Insert Sends Group Outputs electronically balanced Nominal level 4dBu Maximum output level 26dBu into 600Ω Output impedance 75Ω Insert Returns External Inputs electronically balanced Sensitivity 4dBu Maximum i p level 26dBu Input impedance 10KΩ balanced 26 Group Output Module ...

Page 31: ...ot Pin 3 Signal Cold Insert Return 1 4 3pole Jack Tip Signal Hot Ring Signal Cold Sleeve Ground Insert Send 1 4 3pole Jack Tip Signal Hot Ring Signal Cold Sleeve Ground Group Outputs 3 pin male XLR Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold PUSH PUSH Group Output Module 27 ...

Page 32: ...28 Group Output Module ...

Page 33: ...Master Module Master Module 29 ...

Page 34: ... phones output 4 If INPUT PRIORITY is enabled then pressing any input PFL while AFL is also active will replace the AFL which will not be heard until the inputs are un PFLed 5 If solo AUTO CANCEL is enabled on the master module then the AFL will cancel any other active PFLs or AFLs 6 The AFL may also be cleared with the master SOLO CLEAR momentary action switch The SOLO CLEAR button illuminates wh...

Page 35: ... the AUTO CANCEL or SOLO CLEAR functions and overrides any output AFLs if INPUT PRIORITY is active Using the Solo System A solo system of pre fade listen inputs and post fade listen outputs feeds the operator s wedge phones outputs Normally all active AFL PFL and LISTEN signals are summed together and fed to the wedge or phones outputs When INPUT PRIORITY is selected by the ENBL switch which has a...

Page 36: ...and right meters Wedge and Headphones Outputs The wedge operator s speaker and headphones outputs share a common signal source when no PFL AFL or LISTENs are active then the source is either the external PFL and AFL inputs or the stereo mix signal according to internal jumper settings When a solo is active the signal is the console AFL or PFL signal summed with the external PFL and AFL signals as ...

Page 37: ...0dB 21 The momentary TB switch feeds the signal from the TALKBACK MIC to the mix outputs independently of the fader and CUT switch dimming the output by 6db while it is active 22 Talkback may also be routed to the mix buses by the INT talkback function on the master module in this case the mix CUT and fader will affect the talkback level The TALKBACK TO BUSES INT button which has an integral green...

Page 38: ... Options Function Options Default FOH Out DC Voltage JMP4 Enabled or disabled Enabled jumper in Phones Wedge Signal J3 jumper in for Stereo Mix Ext PFL AFL J4 jumper in for Ext AFL PFL Input and Output Levels INSERT SENDS MIX WEDGE AND FOH TALKBACK OUTPUTS Electronically Balanced nominal level 4dBu maximum output level 26dBu into 600Ω output impedance 75Ω OSCILLATOR OUTPUT Electronically Balanced ...

Page 39: ... 2 Signal Hot Pin 3 Signal Cold Insert Returns 1 4 3 pole Jack Tip Signal Hot Ring Signal Cold Sleeve Ground Insert Sends 1 4 3 pole Jack Tip Signal Hot Ring Signal Cold Sleeve Ground PFL AFL Left and Right Outputs 3 pin male XLR Pin 1 Ground Pin 2 Signal Pin 3 Ground Sense Oscillator Mix Wedge and Talkback Outputs 3 pin male XLR Pin 1 Ground Pin 2 Signal Hot Pin 3 Signal Cold Phones Output 1 4 3 ...

Page 40: ...Rear Connector Panels Note Group Output Connectors have been removed from the diagram for clarity PUSH PUSH PUSH PUSH PUSH PUSH PUSH Power Supply Connector Panel 36 Master Module ...

Page 41: ...Appendices Appendices 37 ...

Page 42: ...0dBu The analyser reads THD N with an average response over a 10Hz 30kHz bandwidth D Frequency response and EQ measurements are made with an input of 0dBu to line inputs at unity gain outputs are quoted relative to 0dBu E Crosstalk and rejection measurements are made with an input level of 20dBu line inputs at unity gain giving an output of 20dBu on the active signal path The ratio quoted is relat...

Page 43: ...er isolation 100dB Group CUT isolation 110dB Group to Group crosstalk 90dB Group to Mix crosstalk 100dB Mix to group crosstalk 90dB CMRR Mic Input 80dB Noise 22Hz 22kHz bw unweighted rms XLR input at maximum sensitivity 127 5dBu 200ohm source Group Output noise 85dBu Group faders at unity channel sends down Mix output noise 85dBu Mix faders at unity channel sends off Distortion THD Noise measured ...

Page 44: ...imensions 48 Channel Console 32 Channel Console 40 Channel Console 120 6 892 4 140 25 101 5 366 5 Length Dimensions end view 48 channel 2142 3 40 channel 1859 1 32 channel 1575 9 All dimensions are in millimetres 40 Appendices ...

Page 45: ...or Soundcraft and postage must be prepaid 4 This warranty shall only be available if a the Equipment has been properly installed in accordance with instructions contained in Soundcraft s manual and b the End User has notified Soundcraft or the Dealer within 14 days of the defect appearing and c no persons other than authorised representatives of Soundcraft or the Dealer have effected any replaceme...

Page 46: ...nitor the sounds they are producing Frequency Response the variation in gain of a device with frequency sub Group an output into which a group of signals can be mixed Headroom the available signal range above the nominal level before clipping occurs Highpass Filter a filter that rejects low frequencies Line Level Signals at a nominal level of 10dBV to 6dBu coming from a low impedance source Noise ...

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