XLogic SuperAnalogue Channel Owner`s Manual
Contents
1. Super Analogue Channel Owner s Manual Solid State Logic X 98ic SUPER ANALOGUE CHANNEL Super Analogue Outboard Owner s Manual 82S6XL040D XLogic Channel Owner s Manual Solid State Logic Begbroke Oxford England OX5 1RU e 44 0 1865 842300 320 West 46th Street 2nd Floor New York NY 10036 USA 1 1 Suite 401 5757 Wilshire Blvd Los Angeles CA 90036 USA 1 1 323 549 9090 3 55 14 Sendagaya Shibuya Ku Tokyo 151 0051 Japan 81 0 3 5474 1144 7 bis rue de la Victoire le Blanc Mesnil Paris 93150 France 33 0 1 48 67 84 85 Timavo 34 20124 Milano Italy 39 0 39 2328 094 212 315 1111 Visit SSL at URL http www solid state logic com Solid State Logic AII Rights reserved under International and Pan American Copyright Conventions Solid State Logic SSL and XLogic are trademarks of Solid State Logic other product names and trademarks are the property of their respective owners No part of this publication may be reproduced in any form or by any means whether mechanical or electronic without the written permission of Solid State Logic Oxford England Revision 0A September 2003 Revision OB January 2004 Revision OC June 2004 Revision 00 July 2004 Minor changes November 2004 Minor changes June 2005 As research and development is a continual process Solid State Logic reserves the right to change the features and specifications de2. SSL part No 35F5E330 15V FS3 3 amp wire ended SSL part No 35F5E330 18V FS4 3 amp wire ended SSL part No 35F5E330 5 55 3 amp wire ended SSL part No 35F5E330 Links LK1 Solder link Links digital and analogue OV Do not remove LK2 Links chassis and analogue OV Normally fitted Remove to increase impedance to 100 Page 14 Appendix Connector Details XLR Inputs and Outputs Location Front and Rear Panels Conn XLR Female Description Chassis Audio ve Audio ve Instrument Input Location Front Panel Conn Type Mono 1 4 Jack Socket Pin Description Tip Guitar Input Sleeve Chassis Dynamics Link Location Rear Panel Conn Stereo 1 4 Jack Socket Pin Description Tip Link Bus Ring Link Bus Sleeve OV Note that tip and ring are linked to allow use of mono jacks Appendix Page 15 XLogic Channel Owner s Manual Appendix C Performance Specification The following pages contain audio performance specification figures for the XLogic Channel unit No other Solid State Logic products are covered by this document and the performance of other Solid State Logic products can not be inferred from the data contained herein Measurement Conditions For each set of figures on the following pages the specific unit and test setup will be stated at the beginning of that section Any changes to the specified setup for any particular figu
3. GAIN control has a gain range of 6dB to 72dB in 6dB steps HI Z Increases the input impedance of the microphone input inputs A B from 1 2kQ to 8 45 This allows the connection of line level signals to the channel input if required and provides an alternative input impedance for some dynamic microphones PAD This switch reduces the signal level by 18dB Setting the gain to 18dB and selecting PAD sets the input gain to 0dB for use with line level signals 48V When selected provides phantom power to the associated microphone Please note that connecting a microphone to the XLogic Channel unit with phantom power switched is not advised as it may cause damage to either the microphone or the input stage of the XLogic Channel unit Also note that phantom power should be switched off before changing the input source to avoid possible damage to connected devices or to the input stage of the XLogic Channel unit Take care not to use phantom power when connecting line level sources keyboards etc as this may damage the output stage of the connected unit Phase This reverses the phase of the selected channel input Page 8 4 2 4 3 Operation DYNAMICS COMPRESSOR RELEASE GATE THRESHOLD 3 6 10 14 20 Aa PRE IN EQ FAST 4109 e 20 Dynamics Section 1 4 e THRESHOLD The Dynamics section comprises a compr
4. OUT have a modified slope with a degree of overshoot undershoot for increased selectivity E type curves with the E switch IN follow conventional cut or boost characteristics The two parametric bands have selectable characteristics which affect the relationship between frequency bandwidth and gain see the lower plot opposite With the E switch OUT the frequency bandwidth reduces with increased gain thereby increasing the selectivity of the EQ as the gain is increased With the E switch IN the frequency bandwidth is constant at all gains At full boost or cut both are identical HF Band controls Page 18 Frequency Variable from 1 5kHz to 22kHz Gain Variable between 20dB 2 5 BELL setting controls Frequency Variable from 600Hz to 7kHz Gain Variable by gt 20dB Q Variable from 0 5 to 2 5 may also vary with gain LMF Band controls Frequency Variable from 200Hz to 2 5kHz Gain Variable by gt 20dB Q Variable from 0 5 to 2 5 may also vary with gain LF Band controls Frequency Variable from 40Hz to 600Hz Gain Variable between 16 5dB 2 5 on BELL setting Filter controls Low Pass High Pass Measurement Conditions THD N Frequency Response Output Headroom Noise 3kHz to 50kHz 3dB Point 12dB Octave 20Hz to 500Hz 3dB Point 18dB Octave Signal applied to Input and measured at Output EQ switched In EQ contro
5. the oscillator for 60Hz at 12 5dBu and connect the level meter to the Output Connect oscillator ve to test point and oscillator ve to test point TP6 OVA using clip probes and a suitable lead Adjust the offset trim VR23 to null the control voltage feedthrough seen at the output typically less than 65dBu Connect the level meter to the Output and set the oscillator level for 28dBu Turn preset VR28 fully anti clockwise Measure the DC voltage at test point TP4 relative to use TP6 and adjust VR25 for 10mV Set the oscillator level for 14dBu Set the compressor ratio control fully clockwise and release the compressor FST ATT and PK switches Adjust VR28 for a gain reduction of 4dB Press the FST ATT switch in and check for a gain reduction of 8 5dB 0 25dB Reset the compressor ratio control fully anti clockwise Set the oscillator level for 4dBu and connect the level meter to the Output Set the gate expander to gate by releasing the EXP switch set the gate range and gate threshold controls fully clockwise 3 Adjust VR27 so that the gate just switches on Check this adjustment by changing the oscillator level a little Re adjust VR27 if necessary so that the gate just opens when a 10dBu signal 1kHz is applied Page 23 XLogic Channel Owner s Manual Appendix E Physical Specification Depth Height Width Weight Power Boxed size
6. 4 20 Ds 1 4 3e 9 10 0 THRESHOLD RATIO RELEASE 0 oe FAST e FAST 10 20 1 Expander Gate This section can act as a co 1 Gate or as 2 1 Expander when the EXP switch is pressed RANGE Determines the depth of gating or expansion When turned fully anticlockwise Range 0 this section is inactive When turned fully clockwise a range of 40dB can be obtained THRESHOLD Variable hysteresis is incorporated in the threshold circuitry For any given open setting the Expander Gate will have a lower close threshold The hysteresis value is increased as the threshold is lowered This is very useful in music recording as it allows instruments to decay below the open threshold before gating or expansion takes place RELEASE This determines the time constant speed variable from 0 1 4 seconds at which the Gate Expander reduces the signal level once it has passed below the threshold Note that this control interacts with the Range control FAST ATT Provides a fast attack time 100us per 40db When off a controlled linear attack time of 1 5ms per 40dB is selected The attack time is the time taken for the Expander Gate to recover once the signal level is above the threshold When gating signals with a steep rising edge such as drums a slow attack may effectively mask the initial THWACK so you should
7. Boxed weight 325mm 12 8 inches not including heatsink 365mm 14 3 inches including heatsink 400mm 15 75 inches including connectors 44 5mm 1 75 inches 1 RU 480mm 19 inches 4 1kg 9 pounds 22 Watts 30 VA 520mm x 520mm x 182mm 20 5 x 20 5 x 7 2 6 4kg 14 pounds All weights and dimensions are approximate Appendix F Environmental Specification Temperature Relative Humidity Vibration Shock Altitude Page 24 Operating Non operating Max Gradient Operating Non operating Max wet bulb Operating Non operating power off Operating Non operating Operating Non operating 5 to 30 Deg C 20 to 50 Deg C 15 Deg C Hour 20 to 80 5 to 90 76 29 Deg C non condensing lt 0 2 G 3 100Hz lt 0 4 G 3 100Hz lt 2 G 10mSec Max lt 10 G 10mSec Max 0 to 3000m above sea level 0 to 12000m Appendix Notes Page 25 XLogic Channel Owner s Manual Page 26
8. ED indicates that the optional ADC card is locked to an oe external clock Page 11 XLogic Channel Owner s Manual XLogic Channel Block Diagram xoer oeialS avy lt gt NAC ANTI x IndLnO NIVO LAdLNO INSIAnXLSNI g LNANI lt 9 2 9 77789 r V INdNI NIVOLNANI usw WOLNVHd A8v Page 12 5 0 Signal Routing Channel Processing Order Signal Routing There are two switches that control the order of the signal processing elements These are Filters to INPUT and Dynamics PRE EQ The table below shows the effect of these Switch 1 Switch 2 Processing Order Equaliser Filters Dynamics Filters to INPUT Filters Equaliser Dynamics Dynamics PRE Dynamics Equaliser Filters Filters to INPUT Dynamics PRE EQ Filters Dynamics Side Chain Processing Order KEY switch released Equaliser The EQ and filter sections can be assigned to the dynamics side chain using the DYN S CH switches in the respective sections The table below shows the sidechain source and processing for the various combinations of these Switch 1 Switch 2 Side chain source Side chain processing order Dynamics Input EQ to DY
9. L Set the audio oscillator for 80Hz and adjust LF Frequency to find the maximum level on the audio level meter On the 629603 upper card adjust VR24 for 16 5dBu 0 25dB Reset LF Gain to its centre indent position de select LF BELL and re check the audio level meter for OdBu Page 22 Dynamics Adjustments Appendix If the dynamics circuitry requires adjustment the following procedure should be followed in the order shown in its entirety All presets are on the 629602 card Equipment Required Test Signal Input and Output Unit Setup Distortion Adjustment 1 2 Control Voltage Feedthrough Adjustment 1 2 Sidechain Offset Adjustment 1 Compressor Threshold Adjustment 1 Connect the level meter to the Output Check for 20dBu 0 5dB Gate Threshold Adjustment 1 Calibrated audio oscillator audio distortion analyser audio level meter oscilloscope and a digital DC volt meter 1kHz sinewave unless specified otherwise level as specified Oscillator to Input A or B Output to either the distortion analyser or the level meter as specified below Use the oscilloscope to monitor the measured signal Switch the dynamics IN and the EQ and Filter sections OUT set all of the dynamics controls anti clockwise and release all switches Connect the distortion analyser to the Output and set the oscillator level for 20dBu Adjust VR24 for minimum distortion lt 0 02 Set
10. Measure the audio level with a probe On the upper card 629603 measure the following test points and adjust as required a Probe TP1 and adjust VR22 for a minimum b Probe TP2 and adjust VR23 for a minimum c Probe TP3 and adjust VR25 for a minimum d Probe TP4 and adjust VR28 for a minimum e Probe TP5 and adjust VR27 for a minimum Check the audio level meter for OdBu 0 01dB adjust the audio oscillator if necessary Set HF Gain to maximum and select HF BELL Set the audio oscillator for 12kHz and adjust HF Frequency to find the maximum level on the audio level meter On the 629603 upper card adjust VR26 for 20dBu 0 25dB Reset HF Gain to its centre indent position de select HF BELL and re check the audio level meter for OdBu Set Gain to maximum and fully anti clockwise Set the audio oscillator for 3KHz and adjust HMF Frequency to find the maximum level on the audio level meter Adjust VR30 on the 629602 card for 214 0 25dB Reset HMF Gain to its centre indent position re check the audio level meter for OdBu Set LMF Gain to maximum and LMF fully anti clockwise Set the audio oscillator for IKHz and adjust LMF Frequency to find the maximum level on the audio level meter Adjust VR29 on the 629602 card for 21dBu 0 25dB Reset LMF Gain to its centre indent position re check the audio level meter for OdBu Set LF Gain to maximum and select LF BEL
11. N S C Dynamics Input Equaliser Filters to DYN S C Dynamics Input Filters EQ to DYN S C Filters to IDYN S C Dynamics Input Equaliser Side Chain Processing Order KEY switch in Finally the side chain can be fed from the KEY input on the rear of the unit by selecting KEY The table below shows the sidechain source and processing for the various combinations of DYN S CH switches Switch 1 Switch 2 Filters Side chain processing order KEY Input EQ to DYN S C KEY Input Equaliser Filters to DYN S C KEY Input Filters EQ to DYN S C Filters to DYN S C KEY Input Equaliser Filters Page 13 XLogic Channel Owner s Manual Appendix A Internal Links and Fuses Fuses Mains Inlet The mains inlet contains a single 1 amp 1 25 time delay fuse SSL Part No 35FJJ310 To change it disconnect the mains inlet then using a small screwdriver prise open the mains selector cover This contains the fuse Test and replace with the same type and value if necessary Internal Fuses The internal power rails are also individually fused These fuses should only be changed by suitably experienced staff They are listed below Fuses 629610X2 Power Regulator Card 48V 51 500mA wire ended SSL part No 35F5E250 Fuses 629601X1 Main Card 18V 51 3 amp wire ended SSL part No 35F5E330 15V FS2 3 amp wire ended
12. ack ears of early XLogic Channel units are not capable of supporting the full weight of the unit Therefore if the unit is to be rack mounted it must either be mounted on suitable rack shelves or be fitted with a pair of support brackets to reinforce the rack ears do not rely on just the basic front panel for rack mounting the unit Later XLogic Channel units incorporate reinforcement brackets into the chassis and so are suitable for direct rack mounting Should your unit require them pairs of support brackets SSL Part No 629943XR are available from your local distributor 1RU space should be left above each unit to ensure adequate ventilation 3 3 Connection There are four connectors on the rear panel and a single combined XLR and mono jack on the front panel The rear panel connections are Input A female XLR Output male XLR Key Input female XLR Link Bus TRS jack socket The front panel connections are Input B Instrument combined female XLR and mono jack Inputs A and B are can be used for either microphone or line level signals The HI Z switch should be selected when using line level signals as some devices may not be able to provide full output level in to the low 1 2kQ impedance of the standard microphone input The mono jack provides a very high 1MQ impedance input designed for use with guitar pickups piezo electric bugs etc Connect the output of the unit to your recorder workstation or mixing desk Connect t
13. act on peaks of the incoming signals or on their RMS levels This gives two very different modes of compression and limiting with Peak Mode giving far more dramatic compression characteristics Expander Gate Controls Range Variable from 0 to 40dB Threshold Variable from 30dB to 10dB Attack Time Normally auto sensing switchable to 150us Hold Time Variable from 0 to 4 seconds Release Time Variable from 0 1 to 4 seconds The side chain signal can be sourced either from the signal feeding the dynamic or the external Key input Filters and or Equaliser can be inserted in the sidechain LED meters independently indicate amount of compression and expansion Measurement Conditions Signal applied to Input A output measured at Channel Output All pots anti clockwise and switches out except for Dynamics in THD N 10dBu applied lt 0 01 at 1kHz Signal at 14dBu applied to Input A input gain set to 6dB Compressor Threshold set at 20 Compressor Ratio adjusted to give 4dBu at Output RMS sensing mode selected THD N lt 0 3 at 1kHz Fast Attack Mode t lt 0 05 at 10kHz THD N lt 0 03 at 1kHz Slow Attack Mode lt 0 05 at 10kHz 1 LF distortion is consistent with attack and release time constants Output Headroom gt 26dBu at onset of clipping Frequency Response 0 2dB from 20Hz to 20kHz 3dB at 130kHz Noise lt 86dBu Page 20 Appendix Appendix D Calibration Information The XLogic Cha
14. ation 3 0 Installation 31 Voltage Selection Before connecting the mains supply ensure that the voltage range selector next to the IEC socket on the rear of the unit is correctly set The input setting must be confirmed before applying power The input module can be configured to be one of 4 voltage settings The setting is indicated by a plastic pin protruding through the appropriate hole in the fuse panel The setting is altered by a small vertical PCB which can be fitted in 4 positions To change the setting Switch off and remove the IEC lead Using a small flat bladed screwdriver lever open the fuse panel to the right of the connector At the right hand side is a vertical PCB with a plastic key which indicates the setting Using pliers pull out the PCB The PCB has to be rotated until the desired voltage is shown along the edge which plugs into the module The plastic key and this bit is quite fiddly must also be rotated so that it points out of the module and so that the round pin aligns with the appropriate hole in the cover panel refer to the diagrams opposite Re insert the PCB and replace the fuse panel The plastic pin should project through the appropriate hole 32 Mounting XLogic unit is designed to be rack mounted It is 1 RU 44 5mm 1 75 inch high Its depth is 325 mm 12 8 inches not including heatsink 365 mm 143 inches including heatsink 400 mm 15 75 inches including connectors Please note that the r
15. be aware of this when selecting the appropriate attack time HOLD Determines the time after the signal has decayed below the threshold before the gate closes Variable from 0 to 4 seconds The green LEDs the display section indicate Expander CGate activity the amount of gain reduction Note that when the Dynamics section is not in circuit its sidechain input is also bypassed Filters Section This section comprises a four band parametric equaliser plus high and low pass filters The EQ and filters can be routed separately to different audio paths within the module Routing Buttons There are four routing buttons associated with this section of the module Section 5 describes the routing combinations in more detail but briefly these buttons function as described below LPF IN HPF IN Switches the Lo and Hi pass filter section into circuit If no other buttons are pressed the Filters are post the Equaliser DYN SC The Filters are switched into the sidechain of the Dynamics section The Equaliser can be switched into the sidechain independently Note that DYN SC overrides the INPUT function see below FILTERS INPUT Moves the Filters to put them in circuit immediately post the Channel Input section This allows the Filters to be used to clean up signals before compressing them Selecting Dynamics EQ will allow the compressed signal to be EQ d The Filter section is completely b
16. essor limiter and an expander gate both of which use the same gain change element Both sections work independently but can be operational at the same time providing sophisticated control of signal levels The Filter the Equaliser section can be assigned to the dynamics side chain allowing de essing etc The Dynamics section has two routing buttons associated with it Section 5 deals with Dynamics routing in more detail but briefly these button function as follows DYN IN Switches the Dynamics section into the signal path pre the EQ PRE EQ Switches the Dynamics section pre the EQ section but post the Filter section if the Filter INPUT switch is pressed KEY Switches the Dynamics side chain to the KEY input on the rear panel of the unit If you have more than one unit and have connected the DYN LINK jacks on the rear of the units together the side chain control signals of multiple units can be linked by pressing the LINK switch on those units you wish to gang When two Dynamics sections are linked the control voltages of each section sum together so that whichever section has the most gain reduction will control the other section Don t try to link two gates using the LINK button when you want the signal on one to open the other If you need to achieve this effect take a keying signal from one section to trigger the other The easiest way to do this is by patching from the output of the source channel i
17. gic s current repair rate plus the cost of parts and shipping Page 3 XLogic Channel Owner s Manual 2 0 Safety considerations This section contains definitions and warnings and practical information to ensure a safe working environment Please take time to read this section before undertaking any installation work 21 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 Any such adjustments must therefore only be carried out by fully trained personnel Users This equipment is designed for use solely by engineers and competent operators skilled in the use of professional audio equipment Environment This product is a Class A product intended to form an integrated component part of a professional audio recording mixing dubbing film TV radio broadcast or similar studio wherein it will perform to specification providing that it is installed according to professional practice 2 2 Electrical Safety Warning When installing or servicing any item of Solid State Logic equipment with power applied when cover panels are removed HAZARDOUS CONDITIONS CAN EXIST These hazards include High vo
18. he input to a suitable source If you have more than one unit the dynamics LINK jacks on the rear of the units should be connected together using a mono or stereo jack to jack cable Page 7 XLogic Channel Owner s Manual 4 0 Operation The XLogic Channel unit is a 1U rack mounting unit containing a complete set of signal processing from the XL 9000 channel strip Input Compressor Limiter Expander Gate Hi and Lo pass filters and Equaliser The signal processing order can be changed and the EQ and filter sections used in the dynamics side chain providing a wide range of signal processing options Obviously there are many different permutations of signal routing allowing an enormous number of creative possibilities This section looks at each control on the XLogic Channel individually with a brief summary of the routing possibilities See Section 5 for more on routing 41 Channel Input Section The channel input can pick up any one of three inputs INP A With the INP B and INST switches released the input is fed by the INPUT A XLR on the rear of the unit INP B Selects the female XLR on the front of the unit INPUT GAIN 36 42 30 5 12 47 66 dB 72 INST Selects the mono jack instrument input on the di 2 Pan sev x front of the unit This is a very high impedance INPUT B INSTRUMENT unbalanced input intended to be used with guitar pickups etc The stepped INPUT
19. lies with the Neutral conductor at earth potential category TN and is fitted with a protective fuse in the Live conductor only It is not designed for use with Phase Live and Neutral connections reversed or where the Neutral conductor is not at earth potential TT or IT supplies Mains cables will be coded with the following colour scheme LIVE Brown NEUTRAL Blue EARTH Yellow Green Mains Isolation and Over Current Protection An external disconnect device is required for this equipment which must be installed according to current wiring regulations A detachable power cord as fitted to this equipment is a suitable disconnect device An external over current protection device is required to protect the wiring to this equipment which must be installed according to the current wiring regulations The fusing or breaking current are defined in the product specification In certain countries this function is supplied by use of a fused plug CE Certification Note that the majority of cables supplied with SSL equipment fitted with ferrite rings at each end This is to comply with current European CE regulations and these ferrites should not be removed If any of the unit metalwork is modified in any way this may the adversely affect the CE certification status of the product FCC Certification The XLogic unit has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC R
20. ls set centre as appropriate lt 0 005 at 20dBu 1kHz lt 0 007 at 20dBu 10kHz 0 1dB from 20Hz to 20kHz 3dB at 200kHz gt 26dBu at onset of clipping 86dBu Appendix Channel Equaliser Curves Amplitude dBr v Frequency Hz 25 0 20 0 Etype 15 0 CON 10 0 5 0 0 0 5 0 10 0 15 0 20 0 25 0 20 100 1k 10k 100k Channel Equaliser Curves Amplitude dBr v Frequency Hz 25 0 20 0 Etype 15 0 CONG tpe 10 0 5 0 0 0 5 0 10 0 15 0 20 0 25 0 10 100 1k 10k 20k Page 19 XLogic Channel Owner s Manual Channel Dynamics Each channel contains a complete dynamics section the functions of which split into two areas a Compressor Limiter and an Expander Gate Compressor Limiter Controls Ratio slope Variable from 1 to infinity limit Threshold Variable from 104 to 30dB Attack Time Normally auto sensing switchable to 1mSec Release Variable from 0 1 to 4 seconds The XLogic Channel unit Compressor Limiter has two modes of signal detection Peak and RMS As their names suggest these modes of detection either
21. ltages High energy stored in capacitors High currents available from DC power busses Hot component surfaces Any metal jewellery watches bracelets neck chains and rings that could inadvertently come into contact with uninsulated parts should always be removed before reaching inside powered equipment 23 Installation Voltage Selection and Fusing All XLogic units have selectable voltage inlets Always confirm that the input mains voltage range is set correctly before applying power Always isolate the mains supply before changing the input range setting If it is ever necessary to replace a blown mains fuse then always use the correct rating and type of replacement If a correctly rated fuse continues to blow then a fault exists and the cause should be investigated or the unit returned to Solid State Logic for repair replacement as appropriate Details of mains settings and correct fuse ratings can be found in Section 3 1 and Appendix A of this manual Safety Earth Connection Any mains powered item of Solid State Logic equipment that is supplied with a 3 core mains lead whether connectorised or not should always have the earth wire connected to the mains supply ground This is the safety earth and grounds the exposed metal parts of the racks and cases and should not be removed for any reason Page 4 Safety Considerations Mains Supply and Phases Solid State Logic equipment is designed for connection to single phase supp
22. n optional ADC card is available SSL part number 629945XT to provide an additional digital audio output The object of this manual is to provide purchasers of the XLogic Channel unit with information in the following areas Safety considerations Installation requirement Electrical connections and cabling Connector pin outs Specifications and physical dimensions Warranty The warranty period for this unit is 12 months from date of purchase In Warranty Repairs In the event of a fault during the warranty period the unit must be returned to your local distributor who will arrange for it to be shipped to Solid State Logic for repair All units should be shipped to Solid State Logic in their original packaging Solid State Logic can not be held responsible for any damage caused by shipping units in other packaging In such cases Solid State Logic will return the unit in a suitable box which you will be charged for Please do not send manuals power leads or any other cables Solid State Logic can not guarantee to return them to you Please also note that warranty returns will only be accepted as such if accompanied by a copy of the receipt or other proof of purchase Out of Warranty Repairs In the event of a fault after the warranty period has expired return the unit in its original packaging to your local distributor for shipment to Solid State Logic You will be charged for the time spent on the repair at Solid State Lo
23. nd the Output Gain to indent 04 Press HI Z switch IN On the 629603 upper card adjust VR29 for 0dBu 0 05dB Calibrated audio oscillator and audio level meter 1kHz sinewave 6dBu Oscillator to Input A or B and Output to the audio level meter Set the Input Gain to 6dB and the Output Gain to indent 0dB Check for 24dBu output level On the 629602 card adjust VR26 METER 0dB until the 24 meter LED is just illuminated Reduce oscillator level to 18dBu then 12dBu etc and check that the correct meter LEDs light At each point reduce the level slightly using the Output Gain control and check each LED extinguishes Page 21 XLogic Channel Owner s Manual EO Alignments Equipment Required Test Signal Input and Output Unit Setup Gain at Indent Adjustment HF EQ Maximum Gain Adjustment EQ Maximum Gain Adjustment LMF EQ Maximum Gain Adjustment LF EQ Maximum Gain Adjustment Calibrated audio oscillator and audio level meter Sinewave 6dBu frequencies as specified below Oscillator to Input A or B and Output to the audio level meter Set the Input Gain to 6dB and the output gain to the indent Press HI Z switch IN Check that the Filters and Dynamics are switched out Switch the EQ in and release all other EQ switches Set all of the and Frequency controls fully anti clockwise and all EQ gain controls to their centre indent
24. nnel unit is factory calibrated and should only need calibration if a potentiometer or other component has been replaced or if it is suspected that there is a problem with calibration In all of the following instructions it is assumed that the lid has been removed and that power has been applied It is also assumed that unless otherwise specified all switches are released and all potentiometers are at unity minimum or indent position as appropriate The required accuracy for each adjustment will be specified along with the target value All level and distortion measurements should be made with audio band 20Hz to 20kHz filters unless otherwise specified Microphone Input Equipment Required Test Signal Input and Output Unit Setup CMRR Trim Adjustment Output Stage Equipment Required Test Signal Input and Output Unit Setup Unity Gain Trim Adjustment Meter Calibration Equipment Required Test Signal Input and Output Unit Setup Adjustment Calibrated audio oscillator and audio level meter 50Hz sinewave 12dBu common mode Oscillator to Input A or B and Output to the audio level meter Set the Input Gain to 36dB and the Output Gain to indent 0dB On the 629602 card adjust VR22 for minimum level normally 40dBu Calibrated audio oscillator and audio level meter 1kHz sinewave 6dBu Oscillator to Input A or B and Output to the audio level meter Set the Input Gain to 6dB a
25. nto the Key input of the destination channel and selecting KEY see above on this channel Compressor Limiter RATIO When turned to 1 1 the Compressor Limiter section is inactive Turning the control clockwise increases the compression ratio to give a true limiter at the fully clockwise position The compressor normally has an over easy characteristic Selecting PK changes this to peak sensing and replaces the over easy characteristic with a hard knee providing an alternative for some instruments THRESHOLD Whenever a signal exceeds the level set by this control the compressor will start to act at the ratio set by the RATIO control This control also provides automatic make up gain so as you lower the threshold and introduce more compression the output level is increased maintaining a steady output level regardless of the amount of compression RELEASE Sets the time constant speed with which the compressor returns to normal gain settings once the signal has passed its maximum FAST Provides a fast attack time 3mS for 20dB gain reduction When off the attack time is program dependent 3mS 30mS The yellow and red LEDs on the bottom of the LED display area indicate the amount of gain reduction compression Page 9 XLogic Channel Owner s Manual 4 4 4 5 Page 10 DYNAMICS COMPRESSOR RELEASE GATE THRESHOLD 00000 r 3 6 10 1
26. re s will be detailed beside the figures to which that difference applies Measurement References Unless otherwise specified the references used in this specification are as follows Reference frequency 1kHz e Reference level OdBu where 0dBu 0 775V into any load Source impedance of Test Set 500 Input impedance of Test Set 100kQ All unweighted measurements are specified as 22Hz to 22kHz band limited RMS and are expressed in units of dBu All distortion measurements are specified with a 36dB Octave low pass filter at 80kHz and are expressed as a percentage The onset of clipping for headroom measurements should be taken as 176 THD Unless otherwise quoted all figures have a tolerance of 0 5dB or 5 Channel Microphone Amplifier Measurement Conditions Signal applied to Channel Microphone Input A or B and measured at Output Pad switched out and Input Gain control set to 6dB Gain Variable from 6dB to 72dB in 6dB steps Independently switchable 18dB Pad available Input Impedance gt 1 5kQ or 8 45kQ with HI Z Output Headroom gt 26dBu at onset of clipping THD Noise lt 0 003 at 1kHz 10dBu applied 30dB gain lt 0 005 at 10kHz Frequency Response 0 05dB 0 14 from 20Hz to 20kHz 3dB at 200kHz Equivalent Input Noise 127dBu at maximum gain input terminated with 1509 lt 90dBu at 0dB gain 18dB with Pad Common Mode Rejection gt 75dB from 50Hz to 1kH
27. scribed herein without notice or obligation E amp OE 1 0 2 0 3 0 4 0 5 0 Contents Introduction Safety Considerations Safety Warnings Installation Setting the mains voltage selector Mounting Connections Operation Input Section Dynamics Section Filter Section Equaliser Section Output Section Signal Routing Block Diagram Signal Routing Appendices 1 OQ gt Internal Links and Fuses Connector Details Electronic Specification Calibration Information Physical Specification Environmental Specification gt 12 12 13 14 15 21 24 24 Page 1 XLogic Channel Owner s Manual V INIT NAG NI A35 Afndino Blanking plate for optional ADC card ouueq 2180 TX TINNVHD dns 2180 IX e Andino BP Lag Senni OY AWH 1 E lis asvad AN3W 1SNI wem ILLIBELI HOSS3HdWOO SOINVNAQ 1ndNI 3 02 TauueUD IIBOTX Page 2 Introduction 1 0 Introduction The XLogic Channel unit is 1U rack mounting unit containing a complete set of signal processing from the XL 9000 channel strip Input Compressor Limiter Expander Gate Hi and Lo pass filters and Equaliser A
28. the equaliser to a peaking curve HMF Section Centre frequency 600Hz 7kHz gain 20dB continuously variable 0 7 2 5 LMF Section Centre frequency 200Hz to 2 5kHz gain 20dB continuously variable Q 0 7 2 5 Normally at any Q setting the bandwidth of the HMF and LMF sections varies with gain whereby an increase in boost or cut increases the selectivity of the EQ This type of EQ can sound effective when used at moderate settings the gentle Q curve lends itself to the application of overall EQ on combined sources and subtle corrective adjustments to instruments and vocals When the EQ is switched to E operation the bandwidth of the HMF and LMF sections remains constant at all gains so at lower gains the EQ curves are comparatively narrower for a given setting This is particularly useful for drums since relatively high is available at low gain settings However it is not so suitable for overall EQ or subtle corrections as you need to adjust the O to maintain the same effect when the gain is changed Output Section OUTPUT GAN The Output section consists of a 20dB output gain control indented at centre and a 7 segment LED meter Normally the meter reads the output of the channel but selecting MTR INPUT will meter the signal immediately 200 120 post the input section POWER e The blue POWER LED indicates that the unit is powered what else apc Lock O 24 12 12 18 24 0 6 The ADC LOCK L
29. ules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Page 5 XLogic Channel Owner s Manual Eq 100v 120V 230V 240V 0 Mains Input Ove 4 021 08 e 00 X IP scu x e D m gt V yt UIP 0 RaQ 240 9 Es g 100V Setting 120V Setting 230V Setting 240V Setting Use for 90 105V Use for 105 125V Do not use Use for 220 240V Mains Input Programming PCB These diagrams show the PCB arrangements for the different voltage settings Note that where the mains voltage is a nominal 230V the 240V Setting should be used not the 230V Setting Page 6 Install
30. ypassed when both Filter IN switches are not selected 4 6 4 7 Operation BELL Hz 150 _ 0220 Equaliser Section Routing Buttons There are three buttons associated with this section of the unit Section 5 describes the routing combinations in more detail but briefly these buttons function as described below EQ IN Switches the EQ section into circuit DYN SC Switches the EQ section into the sidechain of the Dynamics section The Filter section can be switched independently of the EQ section If both Filter and EQ sections are assigned to the dynamic sidechain the Filter section precedes the EQ Switches the EQ from G operation to operation see below Operation This is a 4 band equaliser that can be switched between two different sets of curves one based on SSL s G Series EQ and the other based on the latest version of the classic E Series EQ HF Section Frequency range 1 5kHz 22kHz gain 20dB LF Section Frequency range 40Hz 600Hz gain 16 5dB The HF and LF sections provide shelving equalisers with variable turnover frequency Normally the curve has a degree of overshoot undershoot depending on whether you are boosting or cutting below the selected HF frequency or above the selected LF frequency Selecting the E button removes the overshoot undershoot effect and provides a slightly gentler slope Selecting BELL in either mode switches
31. z 10dBu applied 30dB gain gt 704 at 10kHz Page 16 Appendix Channel Instrument Input Signal applied to Channel Instrument Input and measured at Output Pad switched out and Input Gain control set to 6dB Gain Variable from 6dB to 72dB in 6dB steps Independently switchable 18dB Pad Input Impedance 1 0 Output Headroom gt 26dBu at onset of clipping THD Noise lt 0 003 at 1kHz 10dBu applied 30dB gain lt 0 005 at 10kHz Frequency Response 0 05dB 0 1dB from 20Hz to 20kHz 3dB at 200kHz Equivalent Input Noise lt 704 at 40dB gain Input terminated with 1500 lt 89dBu at 20dB gain Channel Output Output is fully balanced and floating and incorporates 55175 cable compensating output design allowing it to drive long cable runs without degrading the frequency response Gain Continuously variable from 20dB to 20dB with indent at OdB position Output Impedance lt 40Q Page 17 XLogic Channel Owner s Manual Channel Equaliser Each channel contains a four band equaliser that can be switched between two different sets of curves one based on 551 5 G Series EQ and the other based on the latest version of the classic E Series EQ High and low pass filters are also available LF and HF bands have variable turnover frequency with switchable bell shelving and selectable response curves see the upper plot opposite e Normal type curves with the E switch
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