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XLogic G Series Compressor
Owner's Manual
Table of Contents
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Summary of Contents for Ssl XLogic G Series

  • Page 1 XLogic G Series Compressor Owner’s Manual...
  • Page 3 Solid State Logic S E R I E S C O M P R E S S O R Super-Analogue™ Outboard Owner’s Manual 82S6XL050C...
  • Page 4 © Solid State Logic All Rights reserved under International and Pan-American Copyright Conventions Solid State Logic, SSL and XLogic are trademarks of Solid State Logic All other product names and trademarks are the property of their respective owners No part of this publication may be reproduced in any form or...
  • Page 5 XLogic G Series Compressor Definitions ‘Maintenance’ All maintenance must be carried out by fully trained personnel. Note: it is advisable to observe suitable ESD precautions when maintenance to any part is undertaken. ‘Non-User Adjustments’ Adjustments or alterations to the equipment may affect the performance such that safety and/or international compliance standards may no longer be met.
  • Page 6 XLogic G Series Compressor Owner’s Manual Page 2...
  • Page 7: General Description

    It is designed to combine the features of SSL G Series Consoles in such a way as to allow interfacing and use in a wide range of different applications. The unit is packaged in a 1U high 19" rack-mounted case.
  • Page 8 XLogic G Series Compressor Owner’s Manual Simplified Block Diagram of the XLogic G-Series Compressor Page 4...
  • Page 9: Specifications

    Specification 2. Specifications 20KΩ Electronically balanced Input Impedance: Output Impedance: < 40Ω Electronically balanced Frequency Response: 20Hz to 20kHz ± 0.2dB Max. Output: +24dBu Above 0 dBu, at onset of clipping. (0.1 % THD) Noise: < –85dBu (-90dBu typical) R.M.S. 20Hz to 22kHz measured at output, input terminated with 50 Ohm resistor.
  • Page 10 The appropriate fuse must be fitted – 1A for 100/120V operation, 0.5A for 230V operation. Operating Voltage Selection The XLogic G Series Compressor is not fitted with an auto-ranging power supply and the input setting must be confirmed before applying power. The input module can be configured to be one of 4 voltage settings.
  • Page 11: Remote Connector

    The rear panel REMOTE Connector allows the connection of an external gain reduction meter and Autofade switch and lamp. The diagram below shows the required connections. REMOTE Remote Remote Meter - Autofade SSL Part No. Lamp 42MDD7FR (24 V.) Remote Autofade Switch...
  • Page 12: Connection Details

    XLogic G Series Compressor Owner’s Manual 5. Connection Details The picture below identifies the PCBs and shows the locations of the various connectors which are referred to in this section. Position of Safety 82E347 Cover 82E345 82E346 5.1 Connections from 82E345 Card to Front/Rear Panel The rear panel REMOTE connector allows the use of an external meter and/or AUTOFADE switch (see Page 5).
  • Page 13 Connections PL3: 82E345 Main Card to Meter Function Meter +ve Meter –ve Meter Backlight +ve Meter Backlight –ve 5.2 Inter-Card Connectors. There are two connectors in this category. PL2 is a 26-way ribbon connector, and interfaces the 82E346 Switch Card to the 82E345 Main Card. PL4, a 16-way ribbon connector, carries all of the audio signals between the 82E347 XLR Connector Card and the 82E345 Card.
  • Page 14 XLogic G Series Compressor Owner’s Manual 5.3 Power Connector to 82E345 Card This connector carries AC power from the transformer secondary to the 82E345 Main Card. PL5: A.C. to 82E345 Main Card Function Transformer Secondary - A Transformer Secondary - 0V...
  • Page 15: Circuit Description

    Circuit Description 6. Circuit Description Internally, the unit comprises three cards: • 82E345 Main Card • 82E346 Switch Card • 82E347 XLR Connector Card The Power Supply circuitry is contained on the 82E345 Main Card, and is fed from a transformer mounted at the rear of the unit.
  • Page 16 XLogic G Series Compressor Owner’s Manual Compressor Control Circuitry Most of the control circuitry is common to both right and left hand channels. The diagram below shows the control signal path in simplified form. From Sidechain VCA THRESHOLD Buffer (IC1)
  • Page 17 Circuit Description Power Supply The Power Supply comprises a primary regulator stage which produces +18V and -18V dc. lines, and secondary regulator stages, fed from these lines, which provide the various circuit voltage supplies. The nominal 40V ac. from the centre-tapped secondary of T1 is rectified by D61-64. The +ve and -ve outputs from this bridge rectifier (referenced to the centre tap of T1) feed regulators IC56 and IC57 respectively to produce +18V and –18V lines from which all the circuit voltage supplies are derived.
  • Page 18 XLogic G Series Compressor Owner’s Manual Title 82E345 MAIN CARD SILK SCREEN Date 19 FEB 1990 Solid State Logic Page 14...
  • Page 19 Add schematics for T82345 and T0384G in place of this sheet...
  • Page 21 Circuit Description 6.2 The 82E346 Switch Card (Drg. T82346.71) This card carries the ATTACK and RELEASE switches, SW1 and SW3, with their associated RC networks which alter the Attack and Release characteristics by modifying the VCA Control Voltage. The card also carries the RATIO switch, SW2, and the THRESHOLD, MAKEUP, and AUTOFADE potentiometers, VR1, VR2, and VR3 respectively.
  • Page 22 XLogic G Series Compressor Owner’s Manual Title 82E346 SWITCH CA RD SILK SCREEN Date So lid State Lo g ic Page 16...
  • Page 23 Add schematic for T82346 in place of this sheet...
  • Page 25 Circuit Description 6.3 The 82E347 XLR Connector Card (Drg. T82347.71) The five rear panel XLR connectors are mounted on this card together with a 16-way ribbon connector, PL4. The card functions purely as an interface for the XLR connectors. Page 17...
  • Page 26 XLogic G Series Compressor Owner’s Manual This page intentionally left nearly blank. Page 18...
  • Page 27 Add schematic for T82347 in place of this sheet...
  • Page 29: Component List

    Parts List 7. Component List The major components of the XLogic Stereo Compressor are listed below, together with their respective SSL Part Numbers and, where appropriate, an indication of where each component is used. Part No. Description Reference 32K09PB5 CON RIBBON 9W D CHASSIS SOCKET...
  • Page 30 XLogic G Series Compressor Owner’s Manual This page intentionally left nearly blank. Page 20...

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