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CENTURY SERIES
GTx
OWNER’S MANUAL
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Congratulations on your purchase of a Century Series console. All of us at Crest Audio in Paramus, New Jersey, USA, support your decision, knowing your console contains the finest combination of design and manufacture in the industry. While your new Century Series console is one of the most feature-packed available, great effort has been put into making it simple to operate. This manual explains the functions of your new console, how they operate and how they relate to each other. If properly ca
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TABLE OF CONTENTS Feature Overview 2 GTx A brief description of the Vx design, features and functions. Wiring Conventions 3 GTx Contains diagrams indicating how connectors for Crest consoles are wired. Rear Panel Connections 4 GTx Details the rear panel input and output connections to be made to the GTx console. Power Supply 6 GTx A brief description of the rack-mountable Century Series consoles power supply. Power Connections 7 GTx A brief description of Crest console power connections. Console
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GTX CENTURY SERIES Feature Overview • Extensive Meter bridge provides signal level metering of • Mono/Stereo PFL (Pre-Fader-Listen) and AFL (After-Fader- LEFT, RIGHT, CENTER/MONO, SOLO LEFT, SOLO Listen) system. When a stereo module is used, the signal is RIGHT, and 8 SUBGROUPS. The LEFT, RIGHT, CEN- monitored in stereo while mono modules are monitored in TER/MONO and SOLO meters are of a larger size and are mono. Selected outputs may be monitored in mono or as stereo centered on the meter bridg
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GTX CENTURY SERIES Wiring Conventions Crest consoles are wired with connectors that are used throughout the professional audio industry. Wiring is as follows: INPUT XLR OUTPUT XLR PIN 1 PIN 2 PIN 3 PIN 3 PIN 2 PIN 1 PIN 1 = GROUND PIN 2 = POSITIVE PIN 3 = NEGATIVE TIP - POSITIVE TIP - SEND RING - NEGATIVE RING - RETURN SLEEVE - GROUND SLEEVE - GROUND Standard TRS Standard TRS (Tip - Ring - Sleeve) (Tip - Ring - Sleeve) 1/4" Plug 1/4" Plug Input / Output Insert TIP - LEFT RING - RIGHT SLEEVE - CO
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GTX CENTURY SERIES REAR PANEL CONNECTIONS Input Module Connections Group Module Connections Direct Out Group Out GROUP OUT DIR OUT This 1/4-inch balanced TRS jack delivers the direct This XLR connector carries the post-fader output output signal (post fader & post mute) from the signal from the associated group module. associated input channel. GRP INS SEND INSERT SEND Group Ins Send Insert Send This 1/4-inch TRS jack allows for the group sig- BAL INSERT RTN This 1/4-inch jack is used for sendin
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GTX CENTURY SERIES Master Module Connections Stereo Program In This 1/4-inch jack accepts an unbalanced stereo line level sig- nal. Polarity is as follows: Tip=Left, Ring=R, Matrix Out (A&B) Sleeve=Common. These two XLR connectors deliver a balanced signal from the associated matrix sends. Oscillator / Pink Noise In This 1/4-inch TRS connector accepts a balanced or unbalanced Mono Out signal from an oscillator or pink noise generator. This signal is This XLR connector delivers a balanced post-fa
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GTX CENTURY SERIES Century Series Console Power Supply Century Series consoles use a separate rack-mountable power supply which provides the specific voltages used by each console. Crest Consoles’ Century Series makes use of two different power supplies. All frame sizes (44, 52, 64) of the GTx console use the Model XCVA06 Power Supply. Press to Reset +20V +48V ON C O N S O L E S 6A -20V +24V Power Supply CAUTION POWER OUT RISK OF ELECTRIC SHOCK DO NOT OPEN CONSOLE CHASSIS GR
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GTX CENTURY SERIES Power Connections The connections to and from the power supply vary depending NOTE: Although both of the multi-pin connectors on the back on your specific configuration. Before setting up the console, of the power supply are labeled “POWER OUT”, it is neces- always check to make sure the AC voltage marked on the sary (and acceptable) to link two power supplies together as power supply agrees with the local supply. Always connect the shown in the diagram below. console to the p
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GTX CENTURY SERIES System Connections The console is the hub of a sound system. Because it controls most of the variables within a system, proper connection and com- ponent relationships are vital to assure accurate operation and results. The following diagrams illustrate conventional system con- nections. Balanced Line Inputs Keyboards, Samplers, Input Processing, Drum Machines via Input Module Insert Send and Return Connections External Mixer Input via Group Bus In CENTURY Balanced Mic Inputs
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GTX CENTURY SERIES 8001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active -6 -6 -10 -3 -10 -3 -15 -15 -1 -1 -30 -30 -80 0dB -80 0dB Ch A Ch B Local Monitor L Local Monitor R 7001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active -6 -6 -10 -3 -10 -3 -15 -15 -1 -1 -30 -30 -80 0dB -80 0dB Ch A Ch B From Local Center Out Right Out Left Out Monitor Out 8001 Professional Power Amplifier 8001 Professional Power Amplifier Clip/Limit CENTURY Clip/Limit Signal Signal Temp/DC Temp/D
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GTX CENTURY SERIES 3 7 GTx Input Module 2 8 1 9 The input module is the main method by which input signals 0 10 3 +48V 5 are brought into the console. The GTx input module brings 46 4 3 7 several new features to the Century Series, including a 5-seg- 2 8 LINE 1 9 ment LED signal meter array, Adjustable Hi Pass filter, Insert PAD 0 10 switch, four-band sweep EQ (with selectable peak/shelving 40 GAIN PRE on HF & LF EQ bands and selectable Q on HM & LM EQ 30 50 PRE bands), 8 discrete AUX sends, and
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GTX CENTURY SERIES EQ IN Switch PAN Switch / Group Assign Inserts the EQ section into the input channel (post insert, pre Switches (1-8) fader). An associated green LED illuminates when the switch With PAN switch down, the PAN control varies the level of is down. the group assignments with odd numbered groups on the left and even numbered groups on the right. With PAN switch up, AUX SENDS 1&2 and 3&4 Individual groups can be individually selected and are unaffected by the Level Controls PAN cont
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GTX CENTURY SERIES 3 7 GTx Stereo Input Module 2 8 STEREO 1 9 — 0 10 The GTx Stereo Input module is essentially two GTx Input 3 5 +48V 46 modules packaged to fit into a one-module space. This mod- 4 3 7 2 8 ule is very useful for accepting remote feeds, effects outputs LINE 1 9 and other signals that require stereo handling. 0 10 PAD 40 GAIN PRE 48V Phantom Power Switch 30 PRE Applies 48 Volts DC to pins 2 & 3 of the both L and R XLR 50 5 5 inputs, for microphones requiring phantom power. 46 20
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GTX CENTURY SERIES PRE/POST Switch (1&2 / 3&4) PFL Switch Selects the Aux 1&2 and Aux 3&4 signal sources between post Samples the channel’s signal pre-fader and allows for monitor- and pre-fader positions. ing within the master section of the console. This signal is not affected by the Mute Switch. When depressed, the signal level PRE/POST Switch (5&6) can be seen on the Solo meters, and heard via the mixer’s Selects the Aux 5&6 signal sources between post and pre-fader headphone or local monito
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GTX CENTURY SERIES 3 7 2 8 GROUP — 1 9 0 10 PAN EFFECTS ASSIGNMENT L M C R P LR A N 1 2 3 4 5 46 A 5 6 3 7 2 8 7 8 1 9 0 10 5 LEV 5 46 46 B 3 7 3 7 2 8 2 8 1 9 1 9 0 10 0 10 MATRIX MUTE 5 GAIN 46 3 7 PFL 2 8 1 9 PEAK 0 10 SIG –O + HF EFX RETURN 88 PAN 16 16 –O + LF 88 MUTE 16 16 1 5 46 2 3 7 MONO 2 8 1 9 L-R 0 10 LCR 5•6 Matrix Post PRE Fader Reverse 7•8 3 5 46 4 PFL 3 7 2 8 PEAK 1 9 SIG 0 10 10 PAN 5 EFFECTS 0 ASSIGNMENT L M C R P LR A 5 N 1 2 3 4 10 5 6 15 7 8 SAFE SCENE MUTE LEV 5 46 EFX 20 3
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GTX CENTURY SERIES GTx Group Modules Effects (EFX) Return Level Adjusts the final effect return signal level. The Group Module is where input signals are combined and configured for grouped output; effects & aux assignment/rout- Effects (EFX) Mute ing are also accomplished here. Fully loaded GTx consoles Mutes the effect return signal. have eight group modules. Group number is indicated on PFL Effects (EFX) PFL switch. Allows for Pre-fader listening of the effect return signal. Group Meter Effec
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GTX CENTURY SERIES 5 1 46 MATRIX 3 7 — 2 8 1 9 0 10 +9 5 2 +6 46 3 7 +3 2 8 1 9 0 0 10 -3 5 3 46 3 7 -6 2 8 -9 1 9 0 10 -12 5 4 46 -15 3 7 2 8 -18 1 9 0 10 GROUPS 1-4 5 1 46 3 7 GROUPS 5-8 2 8 5 1 9 46 5 0 10 3 7 2 8 5 2 46 1 9 3 7 0 10 2 8 1 9 5 46 6 0 10 3 7 2 8 MATRIX AUX IN 1 9 0 10 MAINS 5 7 46 LEFT 5 46 3 7 3 7 2 8 2 8 1 9 1 9 0 10 0 10 5 46 8 RIGHT 5 3 46 7 3 7 2 8 2 8 1 9 1 9 0 10 0 10 MONO 5 46 MUTE 3 7 2 8 1 9 0 10 5 46 3 7 2 8 1 9 TB 0 10 ENABLE STR PGM IN LEFT | MONO | RIGHT PFL 5 1
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GTX CENTURY SERIES Matrix Module PEAK LED Indicator Illuminates RED when any of the points monitored come with- The Matrix module allows the creation of an independent mix in 3db of the clipping point. Signal is sampled after the sum- using the Main outputs and an external inputs as signal ming stage and after the fader. This LED also serves as a PFL sources. ON indicator, but at a much lower intensity than when it is Matrix Meter used to indicate clipping. Shows output level of matrix module,
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GTX CENTURY SERIES LR PFL AFL ON AFL ON GROUPS LEFT RIGHT MONO MASTER PEAK — — — — SIG AUX AUX AUX 5 5 5 7 46 46 STEREO 1•2 TB 3 3 7 7 IN PROGRAM MIC 2 8 2 8 3•4 1 9 1 9 LAMP DIM 0 10 0 10 5•6 5 5 5 LEV 6 8 46 46 46 +20 3 7 3 7 3 7 7•8 ADDITIONAL JACKS 2 8 2 8 2 8 LOCATED BELOW -20 DC MATRIX ARMREST 1 9 1 9 1 9 POWER 0 10 0 10 0 10 A +48 1•2 B AFL5 AFL7 +24 AFL6 AFL8 3•4 PFL ON HEADPHONES ON 5 5 5 AFLON AFLON 46 46 46 A A A 3 3 3 7 7 7 TALK BACK BLEND AUX AUX 2 8 2 8 2 8 L/RTO AUXES CONTROL MAST
