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Related Manuals for ALLEN & HEATH PA-CP Series
Summary of Contents for ALLEN & HEATH PA-CP Series
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Page 1: User Guide
PA-CP Series Powered Mixer USER GUIDE Publication AP4956... - Page 2 Heath could void the compliance of the console and therefore the users authority to operate it. PA-CP Series User Guide AP4956 Issue 4 Copyright © 2005 Allen & Heath Limited. All rights reserved Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies.
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Page 3: Important Safety Instructions
Important Safety Instructions – Read First Read instructions: Retain these safety and operating instructions for future reference. Heed all warnings printed here and on the console. Follow the operating instructions printed in this User Guide. Do not open: There are no user serviceable parts inside. Refer any service work to competent technical personnel only. - Page 4 Introduction Welcome to the Allen & Heath PA Series professional audio mixing system. This user guide describes the functions of the powered PA-CP models and also provides tips and reference information to help you get the best from your system. We know you want to get started right away. For this reason we have kept the guide concise and to the point.
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Page 5: Table Of Contents
Contents Main Topics Information Phantom power..........13 Important Safety Instructions ....3 Balanced and unbalanced connections ..13 The mic preamp ..........14 Overview ..........6 The HPF (high pass filter) ........14 The mono channel equaliser ......15 The PA Range........7 Pre and post-fade aux sends......16 Effects sends............16 Key Features........7 Foldback sends..........16... -
Page 6: Overview
Overview PA Series consoles provide all the tools you need to run a small PA system in an easy ‘walk up and go’ format. You simply plug in your microphone and line sources and connect to the speakers. All the control and processing you need to run a small PA system is built into the console. -
Page 7: The Pa Range
The Range PA20-CP 16 mono MIC/LINE channels 2 dual stereo LINE channels PA12-CP 8 mono MIC/LINE channels 2 dual stereo LINE channels Accessories Both Models LR main output Mono output summed from LR Rack Ears 4 Auxes – 2 pre-fade foldback, 1 post-fade aux, 1 post-fade effects A pair of metal ears to replace the trims and fix the console into a 19”... -
Page 8: Panel Layout
LINE LINE LINE 20Hz 120Hz 500Hz 9-10 11-12 100Hz 100Hz 100Hz L FB1 12kHz 12kHz 12kHz parametric output equaliser 20Hz 120Hz 500Hz 350Hz 350Hz 350Hz 12kHz 12kHz 250Hz 250Hz 250Hz 60Hz 60Hz 60Hz 60Hz 60Hz REVERB EFFECTS HALL 1 DELAY 1 HALL 2 DELAY 2 POST-LR... -
Page 9: Quick Start
Quick Start Ensure your safety First read and understand the Important Safety Instructions printed earlier. Make sure that all your equipment is set for your local mains supply voltage and correctly grounded to ensure your safety. Check that the console rear panel ON/OFF switch is in its out position (off). Plug in the mains power using the power cord supplied with the console. -
Page 10: Installing The Console
Installing the Console The PA Series is portable and designed for stand alone operation. The smaller PA12-CP model can also be 19” rack mounted by replacing the trims with the rack ears provided. Either way, ensure adequate ventilation around the unit and heed all warnings regarding mains power safety and earthing. Carry Handle Metal handle for lifting and carrying the console. -
Page 11: Mains Power And Earthing
Mains Power and Earthing Connecting Mains Power Read the SAFETY INSTRUCTIONS printed at the front of this user guide and on the rear panel. The power supply is wired for the local voltage required. Check that the correct mains lead with moulded plug has been supplied with your console, and that the marked voltage matches your local supply. -
Page 12: Cable And Connector Information
Cable and Connector Information You are likely to encounter the following audio connector types: The XLR connector is 3 wire balanced. This has 3 connector pins: Pin 1 = ground (screen), Pin 2 = signal hot (+), Pin 3 = signal cold (-). The jack sockets are the 3 pole TRS type. These are wired to work with either the balanced TRS or the unbalanced 2 pole TS type plugs without cable modification. -
Page 13: Phantom Power
The MONO Channel MIC INPUT XLR input for connecting microphone level signals in the range -63 to +5dBu. These are balanced and wired pin 2 hot. Use low impedance microphones (less than 600 ohms) and professional grade mic cables (2 core with shield) for best performance. -
Page 14: The Mic Preamp
GAIN Adjusts the sensitivity of the channel preamp to match the connected source to the 0dBu operating level of the console. The control has a very wide range matching mic levels from a low -63dBu (0.5mV) to a high +5dBu (1.5V), and LINE line levels from -25dBu (45mV) to +10dBu (2.5V). -
Page 15: The Mono Channel Equaliser
BASS TREBLE EQUALISER The channel equaliser allows independent HF EQ adjustment of four frequency bands. This lets you accurately pinpoint the frequencies you want to adjust to deal with problems such as feedback or instrument resonance, or to creatively tailor the sound. The high frequency band has a shelving response that cuts or boosts the higher (treble) frequencies by up to 15dB. -
Page 16: Pre And Post-Fade Aux Sends
AUX SENDS The PA Series has four auxiliary sends. These provide independent mixes from the channels. They have many applications, the most common being foldback monitor and effects sends. They can also be used for additional special feeds such as recording or clean feed. Pre-fade aux send feeding the FB1 foldback monitor output. -
Page 17: The Db Fader Scale
Adjusts the stereo position of the channel The PFL switch LED also provides a channel signal in the main LR mix. At the centre position signal peak indication. The indicator lights brightly equal signal is sent to the L and R outputs. Fully when the pre-fade signal reaches +16dBu. -
Page 18: Using The Stereo Channels
The STEREO Channel Dual Stereo Inputs Each stereo channel has two independent stereo inputs, ST1(3) ST2(4). convenience, one uses RCA phono connectors, the other uses TRS jacks. The two inputs mix together to feed the channel strip, or ST1(3) can be routed direct to the LR mix instead, leaving ST2(4) to feed the channel. -
Page 19: The Stereo Channel Equaliser
EQUALISER The stereo equaliser allows independent adjustment of the low and high frequency bands. 12kHz The high frequency band has a shelving response that cuts or boosts the higher (treble) frequencies by up to 15dB. It has most effect from 12kHz and higher. 60Hz The low frequency band has a shelving response that cuts or boosts the lower (bass) frequencies by up to 15dB. -
Page 20: Wet And Dry Effects Signals
The EFFECTS Channel Overview The PA Series features a built-in digital stereo INPUT CHANNEL effects unit. Effects such as artificial reverberation, delay, echo and chorus can be selected from the 16 presets. You can FX SEND independently control how much effect is added to each signal in the mix using the channel FX sends. -
Page 21: Effects In The Monitors
EXT FX INPUT TRS jack inputs for connecting the line level stereo output from an external effects processor. The inputs are unbalanced but can also accept balanced sources without modification. The ring connection grounds the –ve (cold) signal to unbalance a connected balanced source. GAIN Adjusts the sensitivity of the input preamp to match the connected source to the 0dBu operating level of the FX... -
Page 22: Effects Processing Engines
The 16 Presets The effects presets have been configured to provide a variety of instantly accessible effects types suitable for live sound mixing. Listen to each preset so that you become familiar with how they sound. You may soon identify a few favourites. Power Up Memory The effects processor remembers the last preset selected on power down. -
Page 23: Midi And The Effects
PRESET TYPES The following table lists the 16 effects available and their typical application. Try these with different instruments and sounds to create new and interesting effects. HALL1 A bright hall reverb for drums, guitars and vocals. HALL2 A warm hall reverb for acoustic guitars, pianos and vocals. ROOM1 Hardwood studio for acoustic instruments ROOM2... -
Page 24: Afl Explained
The MASTER SECTION Controls Master Control For accurate control, the main house and two foldback mixes are controlled using full length faders and include mute and headphone monitoring functions. These faders act as volume controls for the mix. FB1, FB2, LR FADERS 100mm smooth travel faders adjust the overall level of the mixes. -
Page 25: Sub Bass Speakers
MONO OUT LEVEL 2TRK OUT This is the master Selects the 2-track output feed to control for the console mono output. The LR mix is be pre or post LR faders. It affects both the summed after the LR faders to produce the mono analogue and digital (SPDIF) outputs. -
Page 26: The Amplifier Design Philosophy
The AMPLIFIERS 20Hz 120Hz 500Hz 20Hz 120Hz 500Hz Overview LEVEL The two built-in power amplifiers are Sets the input level to each channel of called Amp A and Amp B. You decide how you the amplifier. Turn the control fully off when want to use them. -
Page 27: Front-Of-House And Foldback Monitors
SOURCE SELECT Decide how you want to use the amplifiers. Set the two switches according to the A and B sources required. The switches are recessed to prevent accidental operation once set. Use a pen or sharp object to change their settings. Front-of-House refers to the audience listening area. -
Page 28: Trs Jack
The MASTER Connectors TRS Line Outputs ¼” jack line level outputs which produce 0dBu when the console meters read ‘0’. With a maximum output level of +21dBu there is plenty of headroom available. They are impedance balanced and can be used with balanced or unbalanced equipment. -
Page 29: Working With Powered Speakers
LR MAIN OUT Use these line outputs to drive the main house amplifiers if you are using the console AB amplifiers for the foldback monitors. If the AB amps are powering the house speakers you could also use the LR outputs to feed booster amplifiers for additional speakers in the system. -
Page 30: Spdif Explained
2TRK INPUT A pair of RCA phono sockets accepts the input from a stereo playback devices such as a CD, MiniDisc, DAT or tape player. Use it to monitor a stereo recording in the console headphones, or to route a stereo source to the LR mix for background music. -
Page 31: No Amplifier Output
AB SPEAKER OUTPUTS The power amplifier outputs are available on Speakon® connectors. These are robust locking connectors designed to handle high power loudspeaker signals. The popular 4-pin NL4 version is used. Two pins carry the speaker signal. Wire the speaker positive (+) cable to pin 1+ and speaker negative (-) to pin 1- as shown. -
Page 32: Specifications
Specifications Max output level +21dBu into >2k load Channel HPF 100Hz 12dB/octave Nominal output level 0dBu (0.775 Volts rms) Channel EQ 4-Band semi-parametric Headroom +21dB +/-15dB gain HF shelving 12kHz HM bell 350Hz to 7kHz Freq response +/-1dB 20Hz to 30kHz LM bell 250Hz Distortion <... -
Page 33: System Block Diagram
System Block Diagram METERS PEAK MONO CHANNEL GAIN PFL/AFL +48V PHONES LR / 2TRK MUTE MONITOR 4 BAND EQUALISER FADER HEADPHONES MIC IN LINE IN INSERT 100Hz DIR OUT SPDIF DIGITAL 2TRK 2TRK OUT 2TRK IN ANALOG POST 2TRK TO LR MAIN LR L INSERT MUTE... -
Page 34: Fitting The Pa12-Cp Rack Ears
Fitting the PA12-CP Rack Ears A pair of 19” rack ears is provided with the PA12-CP. The ears replace the front and side trims so that the console can be mounted in a rack, plinth or case. Note that the PA12-CP can fit into a standard 19”... -
Page 35: Cue Sheet
PA-CP User Guide... - Page 36 Check out our Internet site : http://www.allen-heath.com/ PA-CP User Guide...
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