Crest Audio Century Series Owner's Manual
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Crest Audio Century Series Owner's Manual

Crest Audio Century Series Owner's Manual

Crest audio century series vx mixing console owner's manual
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E N T U RY
E R I E S
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M
WNER
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ANUAL

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Summary of Contents for Crest Audio Century Series

  • Page 1 E N T U RY E R I E S ’ WNER ANUAL...
  • Page 2 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.

  • Page 3: Table Of Contents

    Rear Connections Details the rear panel input and output connections to be made to the Vx console. Power Supply A brief description of the rack-mountable Century Series consoles power supply. Power Connections A brief description of Crest console power connections.

  • Page 4: Feature Overview

    Feature Overview The Century Series has the audio quality, features, and func- tions demanded by the modern music professional. The Vx is the first Crest Console to use VCA's, includes all of the basic features found in other Century Series consoles and adds an extensive meter bridge and a set of advanced new features to accommodate more demanding applications.

  • Page 5: Mixing With Vca's

    ENTURY ERIES Mixing with VCA's (adapted from Live Sound! magazine) An introduction to VCA's A VCA (voltage controlled amplifier) uses a DC control volt- age to attenuate or boost an audio signal. The VCA DOES NOT have Audio signal present in the fader. The fader only controls the amount of voltage (level) an input can have to a mix buss or summing amp.
  • Page 6 One of the major benefits of VCA’s is that any move made on a VCA Subgroup will cause all inputs assigned to that Subgroup to move in direct proportion with it. Inherently, all effects assigned (or turned up) on any input modules that are controlled with VCA’s will “follow”...

  • Page 7: Wiring Conventions

    ENTURY ERIES Crest consoles are wired with connectors that are used throughout the professional audio industry. INPUT XLR TIP - POSITIVE RING - NEGATIVE SLEEVE - GROUND Standard TRS (Tip - Ring - Sleeve) 1/4" Plug Connections: Bal Input, Bal Output, Direct Out, Insert Send, Bal Insert Return, Tape In Connector: Stereo Input Module Insert L, Insert R...

  • Page 8: Rear Connections

    Rear Connections The rear connections facilitate the numerous inputs and outputs necessary for successful mixing. Since the console is of little use until it is wired into a whole system, an understanding of what each input and output does is necessary before it can be properly connected.
  • Page 9 ENTURY ERIES Master Module Connections Left/Right Bal Out This male XLR jack delivers a balanced post-fader signal containing all signals assigned to the left and right outputs. Mono Bal Out This male XLR jack delivers a balanced post-fader signal containing all signals assigned to the Mono clean bus. Ext.
  • Page 10 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 chassis sizes (32, 44, 52, 64) of the the model Vx console should only be used with the Model XCVA06 Power Supply.

  • Page 11: Power Connections

    ENTURY ERIES Power Connections Before setting up the console, always check to make sure the AC voltage marked on the power supply agrees with the local supply. Always connect the console to the power supply before switching on the power supply. Multiple power supplies can be daisy-chained to provide fail- safe protection in the event of a supply failure.

  • Page 12: System Connections

    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.
  • Page 13 ENTURY ERIES Left Out 8001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active Ch A Ch B Input Channel Direct Outs feed to remote mixer/recorder Output Connections 8001 Professional Power Amplifier Clip/Limit Signal Temp/DC Active Ch A Ch B Local Monitor L Local Monitor R 7001 Professional Power Amplifier...
  • Page 14 INPUT +48V LINE GAIN Ø INSERT 1.5K PEAK DIR OUT PEAK EQ IN DIR OUT Vx Input Module The input module is the main method by which input signals are brought into the console. The Vx input module takes the new features introduced with the GTx console and adds a more flexible Aux send/assignment Section and extensive VCA (Voltage Controlled Amplifier) functionality.

  • Page 15: Pan Control

    ENTURY ERIES AUX SENDS 1- 8 Individual Level Controls These Push-On/Push Off pots adjust signal level sent to respective Aux buses. Pushing the switch down turns the send on or off. An associated two color LED indicates status: OFF indicates an 'off' state; GREEN indicates the Aux send is on, and not muted;...
  • Page 16 STEREO — +48V LINE GAIN Ø INSERT – O + – O + – O + EQ IN SAFE STEREO MONO Vx Stereo Input Module The Vx Stereo Input module is essentially two Vx Input mod- ules packaged to fit into a one-module space. This module is very useful for accepting remote feeds, effects outputs and other signals that require stereo handling.
  • Page 17 ENTURY ERIES STEREO Switch w/LED Like the AUX 1-6 controls, AUX 7&8 Individual Level Controls normally send a summed (L+R) signal to the AUX outputs. When the STEREO switch is depressed, AUX 7 and 8 become a send ‘left’ and ‘right’ send respectively. This can be used for a stereo effects send.
  • Page 18 MULTI-INPUT +48V GAIN TRIM L•ONLY•R MONO Ø INSERT L PFL R – O + +48V GAIN – O + L•ONLY•R – O + MONO L PFL R EQ IN +48V GAIN L•ONLY•R MONO L PFL R +48V STEREO MONO GAIN +48V GAIN L•ONLY•R...

  • Page 19: Optional Multi-Input Module

    ENTURY ERIES Optional Multi-Input Module The left side of this double-module provides four stereo inputs which are summed together creating a stereo sub-mix. The right side takes that mix and processes it as a stereo source into the Vx. The right side (called Multi Master) is similar to a reg- ular Vx Stereo Input module, except that the Input Gain pot and switches are replaced by a mix trim stereo level control.
  • Page 20 SOLO GROUP — MATRIX MUTE MATRIX OUT MONO MUTE FADER MATRIX METER MATRIX POST PEAK SIG/PEAK AUDIO GROUP SOLO GROUP MUTE MUTE MATRIX OUT UNITY MUTE FADER MATRIX METER ENTURY ERIES...
  • Page 21 ENTURY ERIES Vx Group Modules Each Vx Group module has three sections: Matrix, Audio Group, and VCA Group. Fully loaded Vx consoles have eight group modules. Group number is indicated on Solo switch. Group Meter Located on the meter bridge, it indicates the post-fader output level of the group.
  • Page 22 LEFT RIGHT MONO — — — - 0 + - 0 + LAMP DIM - 0 + - 0 + POWER MUTE MUTE MONO MONO L • R L • R STEREO STEREO AUX IN A AUX IN B - 0 + SOLO SOLO - 0 +...

  • Page 23: Master Section

    ENTURY ERIES Vx Master Section Comprises four modules and is the control center for the Vx console. Stereo Aux In, Monitoring, Solo, Talkback, Stereo Program In, Master Aux & Matrix, internal oscillator & Scene Muting functions are controlled here. LEFT/RIGHT Modules Stereo Aux In HF Level Upper-band fixed frequency (10kHz) EQ that affects the asso- ciated Stereo Aux in channel.

  • Page 24: Headphone Jack

    S t e r e o P r o g r a m S O L O w/LED Solo monitoring facility for the Stereo Program signal. Choice of PFL or AFL in stereo. Alt L/R Output facility Stereo output with level control and mute. The source is the main L&R output, either pre or post output faders.
  • Page 25 ENTURY ERIES The SAFE facility allows a channel to be isolated temporarily from the Mute Groups without disturbing the selection. Mute Groups are part of the Vx Expansion system. Refer to the Special Facilities section. Aux Mute Group Switch w/LED The eight Aux Master Output Mutes are connected to the Aux Group Mute system.

  • Page 26: Special Facilities

    Special Facilities Century Vx Console Expansion The Expansion option is available for all Vx models. Two Vx consoles may be linked in a Master-Slave arrangement. Alternatively, a Vx may be linked to a Yamaha PM series model, or other console. Included Facilities The facilities included are: - links for control of VCA Groups 1-8...
  • Page 27 ENTURY ERIES Special Facilities (cont'd) LCR PANNING Operation of center-cluster sound systems requires panning channels between the Left and Right sides of the main stereo PA and between the stereo PA and the center system. Conventional panning systems allow for L-R panning but the center feed is either all on, full center, or all off, no center.

  • Page 29: Technical Information

    Appendix A Technical Information...
  • Page 30 General Specifications - Vx Console Technical specifications for the Century Vx console. Available (Eight Bus) Configurations 20 inputs (32 Frame) 32 inputs (44 Frame) 40 inputs (52 Frame) 52 inputs (64 Frame) All Century Vx consoles are available with stereo input modules. Frequency Response +0.0, -0.5dB, 20Hz to 20 kHz (referenced to 1kHz) Total Harmonic Distortion...
  • Page 31 ENTURY ERIES Vx Block Diagram ∑ AUDIO GROUPS 1-8 GROUPS 1-8 GROUPS 1-8 LEFT MONO RIGHT LEFT RIGHT LEFT RIGHT MATRIX GROUPS 1-8 LEFT MONO STEREO RIGHT CONTROL & POWER PPENDIX...
  • Page 32 ENTURY ERIES PPENDIX...
  • Page 33 ENTURY ERIES Rear Views & Dimensions .75in. 19mm Size 57.55" 55.80" 54.25" 67.15" 65.40" 63.85" 81.55" 79.80" 78.25" Size 44 1462mm 1417mm 1378mm 52 1706mm 1661mm 1622mm 64 2071mm 2027mm 1988mm Crest Consoles Engineering, May 5, 1997 1.5in./38mm PPENDIX...
  • Page 34 VX User Options VX consoles are shipped having standard configuration unless specified at time of order. These are ways that the console config- uration may be varied after manufacture. The items listed are internal options selected by gold jumper links or pcb DIP switches. DIP switch 'ON' position is down when reading the numbers on the switch body.
  • Page 35 FIVE • Putting it all back together Re-assembling a Century Series console is as easy as taking it apart, but only if you know where everything goes. If you are going to be removing a number of modules, consider replacing the first before removing the second. Reversing the above steps should result in the console being as well put together as it was when it left the factory.

  • Page 37: Power Supply

    ENTURY ERIES Appendix B - Schematics SCHEMATIC NAME MODULES STANDARD INPUT CONNECTOR PCB STANDARD INPUT MAIN PCB LCR SUB PCB STEREO INPUT CONNECTOR PCB STEREO INPUT MAIN PCB GROUP CONNECTOR PCB GROUP MAIN PCB L / R CONNECTOR PCB L / R MAIN PCB MONO CONNECTOR PCB MONO MAIN PCB MASTER CONTROL CONNECTOR PCB...
  • Page 38 Crest Audio Inc. 100 Eisenhower Dr., Paramus NJ 07652 USA : 201.909.8700 : 201.909.8744 http://www.crestaudio.com Printed in USA Vx Owner's Manual Copyright © 1997 Crest Audio Inc. v 2.3 11/3/97 D7000004 *D7000004*...

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