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©   Soundcraft Electronics Ltd.  1992, 1993
All rights reserved
Parts of the design of this product may be protected by worldwide patents.

Issue 2
Part No. ZM0004

Information in this manual is subject to change without notice and does not
represent a commitment on the part of the vendor. Soundcraft Electronics Ltd.
shall not be liable for any loss or damage whatsoever arising from the use of
information or any error contained in this manual.

No part of this manual may be reproduced, stored in 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 Ltd. cannot accept any liability whatsoever for any loss or damage
caused by service, maintenance or repair by unauthorised personnel.

Soundcraft Electronics Ltd.
Cranborne House,
Cranborne Road,
Cranborne Industrial Estate,
Potters Bar,
Herts.,
England. 
EN6 3JN.

Tel: 0707 

665000

Fax:

0707 660482

Summary of Contents for MBI 10 Series

Page 1: ...USER GUIDE SERIES 10...

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 permis...

Page 3: ...Input Module 8 Master Monitor Section 9 Applications 11 Connections and Connectors 12 Mono Input Channel 13 Telco Input Channel 15 Stereo Input Channel 17 Master Section 19 Monitor Section 20 Meterbr...

Page 4: ...el 31 Description and Operation 32 Specifications 34 Master Section 35 Description and Operation 36 Specifications 38 Monitor Section 39 Description and Operation 40 Appendices 45 Glossary 46 Dimensio...

Page 5: ...Introduction Introduction Precautions and Safety Instructions Introduction to the MBI Series 10 1...

Page 6: ...one conversations with the Presenter Guests or Producer The module can be supplied with or without a 3 band fixed frequency EQ section Stereo Module Each module accepts one of two switch selectable st...

Page 7: ...0TE Telco Module without EQ S10T Production Master Monitor S10OP with faders and effects returns Broadcast Master Monitor S10OB without faders or effects returns The Meterhood The meterhood conceals s...

Page 8: ...ervice However care in handling and transportation will ensure a long and trouble free life If the console is to be regularly moved we recommend that it is installed in a foam lined flight case At all...

Page 9: ...id sources with large common mode DC AC or RF voltages as these will reduce the available signal range on the inputs Note that 0dBu 0 775V RMS The microphone input is designed for use with balanced lo...

Page 10: ...6 Introduction to the MBI Series 10...

Page 11: ...Block Diagrams Mono Input Module Telco Input Module Stereo Input Module Master Monitor Module Block Diagrams 7...

Page 12: ...Block Diagrams Mono Input Module Telco Input Module Stereo Input Module Master Monitor Module Block Diagrams 7...

Page 13: ...PFL R AUX TB MIX TB OUTPUT LOCAL MUTE DIST MUTE PFL D C MONO OUTPUT PGM MIX LINE CLEAN FEED OUTPUT 15dB TRIM PRE or POST AUX PAN REMOTE LOGIC PEAK PFL CONTROL PFL EXT TB EQ OPT HPF 80Hz FADER COMM CLE...

Page 14: ...D SIDE OF STEREO SIGNALS FOR MONITORS ARE SHOWN FOR CLARITY SOURCE SELECT SOURCE SELECT SPLIT PFL TO SOURCE SELECT INBUILT MIC TALKBACK TALKBACK LOGIC STUDIO TB TB I P 1 TB I P 2 NOT SHOWN FOR CLARITY...

Page 15: ...10 Block Diagrams...

Page 16: ...Applications Connections and Connectors Mono Input Channel Telco Input Channel Stereo Input Channel Master Section Monitor Section Meterbridge Applications 11...

Page 17: ...Applications Connections and Connectors Mono Input Channel Telco Input Channel Stereo Input Channel Master Section Monitor Section Meterbridge Applications 11...

Page 18: ...ors are used on your console 3 pin XLR 1 4 3 pole jack sockets and D type connectors It is recommended that low profile D type connectors are used there is a risk that high profile types may foul the...

Page 19: ...s socket when the following conditions are all met The LINE input is selected the REM button is depressed and the Fader is up Note The relay may be configured to pick momentarily or latch depending up...

Page 20: ...e link 5 from the pcb in order to use the insert Point Power Rails The following power rails are available as follows 16V Pin 20 supplied via a 10R current limiting resistor 16V Pin 19 supplied via a...

Page 21: ...n Pin 12 Normally Closed Pin 13 Normally Open Pin 11 It will be necessary to consult the Hybrid manufacturer s handbook in order to use this switch to control the divert function of the Hybrid you are...

Page 22: ...his is an electronically balanced input Two pins pins 24 and 25 on the Remotes socket are used for this feature The External Talkback logic and audio would normally be connected to a custom built Prod...

Page 23: ...hown in the diagram below Input 1 Stop Re cue Relay A relay switch closes between pins 11 10 Input 2 Stop Re cue Relay A relay switch closes between pins 7 6 Power Rails The following power rails are...

Page 24: ...Locations The following outline diagram of the Stereo Input Channel PCB shows the location of the user changeable links LK 1 LK2 LK6 LK3 LK4 Link Locations on the Stereo Input Channel PCB 18 Applicat...

Page 25: ...Air lamp in the Studio Pin 1 is a Ground connection The following diagram shows one possible method of using these relay switches to control an On Air lamp It is vital that mains voltages are NOT con...

Page 26: ...Pin 14 External Input 4 Right Pin 15 The 0V for all of these unbalanced inputs is on pins 6 and 13 Misc Socket 15 pin D type female This socket is used to drive the meterbridge modules Pin 1 Chassis G...

Page 27: ...idth Large VU Master Meters S10VLR 8MW Single Large VU Meter S10V1 4MW Small VU Meters S10V2 4MW Large PPM Master Meters S10PLR 8MW Single Large PPM Meter S10P1 4MW Small PPM Meters S10P2 4MW RTW Pane...

Page 28: ...Meterbridge Distribution Board SC3357 22 Applications...

Page 29: ...Mono Input Channel Description Operation Specification Mono Input Channel 23...

Page 30: ...d see the Applications section START RELAY The contacts of this relay will close when all of the following conditions are met The Line input is selected the REM switch is depressed and the Fader is up...

Page 31: ...the signal path A yellow LED glows to indicate this This control is useful for filtering out low frequency hum Level Control 10 The PAN control determines the position of the signal within the stereo...

Page 32: ...e Fader which detects when it is in the fully down position This microswitch helps to control many of the features which are described in this section The input to the channel will be on air whenever...

Page 33: ...Telco Channel Description Operation Specification Telco Channel 27...

Page 34: ...ernal Talkback This allows the Producer to talk to the Caller It consists of a balanced audio input and also two contacts which may be shorted via a user provided switch When the switch is closed the...

Page 35: ...T B OUTPUT bus This bus will carry the signal from the inbuilt mic plus the signal from any of the Mono Input modules if their respective Talkback Switches are closed In addition the Caller s input wi...

Page 36: ...switch is depressed and is properly connected to the Hybrid 30 Telco Channel...

Page 37: ...Stereo Input Channel Description Operation Specification Stereo Input Channel 31...

Page 38: ...released or the PFL switch is released see the Applications section 3 The LINE LEFT and LINE RIGHT COARSE ADJUSTMENT PRESET POTS allow for the coarse adjustment of the inputs on Line 1 only The input...

Page 39: ...ol the Start Relay and Stop Re cue Relay full details are given above If the STRT switch is pushed whilst the Fader is already away from the down position then the STRT circuit will be active as soon...

Page 40: ...uts Electronically balanced Input Impedance 10k Input Levels Line 1 10dBu to 0dBu Line 2 0dBu or 10dBv selectable EQ LF 10dB shelving at 180Hz MF 10dB cut and boost at 3kHz HF 10dB shelving at 8 5kHz...

Page 41: ...Master Section Description Operation Specification Master Section 35...

Page 42: ...f the output Optional Effects Inputs Production variant only 3 The RETURN 1 and 2 1 4 jack sockets provide a balanced input The inputs here are fed onto the PGM MIX L and PGM MIX R buses via the LEVEL...

Page 43: ...R buses Note FX Returns are always connected to the PGM MIX L and PGM MIX R buses PEAK This LED glows to give a warning of possible overload PFL A red LED glows to indicate that the PFL circuit is act...

Page 44: ...Specifications Mix Left Right Mono Max output 21dBu Output impedance 75 General THD 0 03 Crosstalk 60dB 38 Master Section...

Page 45: ...Monitor Section Description Operation Monitor Section 39...

Page 46: ...he MISC socket provides the following signals Chassis Ref and Logic Ground Audio and Logic power supply rails MFM Meter Follows Monitor signals PFL signals Stereo Output signals Local Mute control sig...

Page 47: ...d at power on is Desk i e the program output EXT This switch selects the external inputs as the source of the Studio Headphones A green LED glows to indicate that it has been selected To de select thi...

Page 48: ...s connected to Mono Input Channels which are designated as Local are being used AUTO PFL When this switch is depressed any PFL selected from any of the channels will be fed to the Control Room Monitor...

Page 49: ...de all other signals to the Presenter s headphones The input of the reverse talkback inputs will be heard through both sides of the headphones LEVEL Control This controls the level of output fed to th...

Page 50: ...ignal When the switch is depressed the meters will follow the Control room Monitor A red LED in the switch glows to indicate that the Meters are following the Control room Monitor Note The Meters will...

Page 51: ...Appendices Glossary Dimensions Warranty Appendices 45...

Page 52: ...lative to 1V RMS EIN Equivalent Input Noise It is the ratio of output noise to the gain It describes the level of noise which would need to be fed into an ideal amplifier to produce the measured outpu...

Page 53: ...Dimensions All dimensions are in millimetres 310 0 24 SLOT FRAME 889 0 32 SLOT FRAME 1169 0 56 0 637 0 8 0 70 5 Appendices 47...

Page 54: ...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...

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