ALLEN & HEATH PA-CP Series User Manual Download Page 33

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PA-CP

User Guide

System Block Diagram

Connector Types

XLR connector :

Pin 2 = hot (+) Pin 3 = cold (-) Pin 1 = GND

TRS input and output connectors :

Tip = hot (+) Ring = cold (-) Sleeve = GND

Input Connections

Type

Impedance

Sensitivity

Mono MIC IN

Balanced XLR female

2k ohm

-63 to +5dBu

Mono LINE IN

Balanced TRS jack

>30k ohm

-25 to +10dBu

ST1,3 LINE IN L,R

Unbalanced RCA phono

>10k ohm

-10dBu max

ST2,4 LINE IN L,R

Unbalanced TRS jack

>10k ohm

-10dBu max

2-TRK IN L,R

Unbalanced RCA phono

>10k ohm

0dBu

EXT FX IN L,R

Unbalanced TRS jack

>10k ohm

0dBu

AMP IN

Unbalanced TRS jack

>10k ohm

0dBu

Output Connections

Type

Impedance

Level

L, R, MONO,

Impedance balanced TRS jack

<75 ohm

0dBu

A, B SLAVE OUT

Impedance balanced TRS jack

<75 ohm

0dBu

FB1, FB2, AUX, FX OUT

Impedance balanced TRS jack

<75 ohm

0dBu

2TRK

OUT Unbalanced

RCA

phono

<75

ohm

0dBu

2TRK OUT (SPDIF)

RCA phono

75 ohm coax

digital

HEADPHONES

Tip = L Ring = R 30 to 600 ohm, 100 ohms recommended

SPEAKER A, B

Speakon pin1+ = speaker positive, pin1- = speaker negative
Minimum 4 ohms. Do not bridge or common the pins

Insert Connections

Type

Level

Channel, LR

Unbalanced TRS tip = send, ring = return

0dBu

GAIN

4 BAND EQUALISER

MONO CHANNEL

100Hz

MIC IN

FADER

PFL

PEAK

STEREO CHANNEL

AUX

FB2

FB1

ST2/4

GAIN

ST1/3

LINE IN

+48V

INSERT

MUTE

PAN

DIR OUT

GAIN

SUM

2 BAND EQUALISER

FADER

PFL

PEAK

AUX

FB2

FB1

MUTE

BAL

SUM

EXT FX IN

GAIN

SUM

FADER

PFL

PEAK

FB2

FB1

MUTE

+ SUM

SUM

FX MUTE FOOTSWITCH

FX CHANNEL

INTERNAL FX

SELECT 1-16 / OFF

L INSERT

R INSERT

FADERS

SUM

MUTE

2TRK IN

PRE

POST

ANALOG

ADC

2TRK OUT

SPDIF DIGITAL

SUM

MONO OUT

MAIN LR

2TRK

MONO

LEV

HPF

100Hz

SUB

FADER

MUTE

AFL

FB1 OUT

FB1

FADER

MUTE

AFL

FB2 OUT

FB2

AUX

AUX OUT

FX OUT

FB2

L R

FB1

SOURCE SELECT

4 BAND EQUALISER

LEV

TEMP

PROTECT

SIGNAL

LIMITER

PROTECT
SIGNAL
LIMITER

STANDBY

SPK A

SPK B

AMP A

AMP B

RELAY

SLAVE OUT

AMP IN

AUX

PHONES

HEADPHONES

LR / 2TRK

PFL/AFL

MONITOR

CHAN

PFL

MAIN OUT

8 OHM

4 OHM

2TRK TO LR

BGM

SUM

METERS

SEL

Summary of Contents for PA-CP Series

Page 1: ...USER GUIDE Publication AP4956 PA CP Series Powered Mixer...

Page 2: ...t development Allen Heath Limited Kernick Industrial Estate Penryn Cornwall TR10 9LU UK http www allen heath com Limited One Year Warranty This product is warranted to be free from defects in material...

Page 3: ...le away from any equipment which produces heat such as power supplies power amplifiers and heaters Environment Protect from excessive dirt dust heat and vibration when operating and storing Avoid toba...

Page 4: ...d service agents You can also access our Web site on the Internet for full company and product information To help us provide the most efficient service please keep a record of your console serial num...

Page 5: ...nel pan 17 Using the channel faders 17 Using PFL 17 Using the stereo channels 18 Mixing two stereo signals into the channel 18 Sending ST1 3 direct to LR 18 Using the stereo channel equaliser 19 Effec...

Page 6: ...useable speaker power so achieving the full 500W per side into 4 ohms or 8 ohms Full protection is provided including isolating relays short circuit and over current protection output sensing clip li...

Page 7: ...e effects External stereo effects input to sum with internal effects AB amplifiers with slave output and amplifier breakpoint inputs 2 Track input for monitor and BGM replay 2 Track recording with ana...

Page 8: ...ADER parametric output equaliser MAX 5k 5k O O 6 O O 6 O O O O 6 O O OO 6 6 6 15 15 15 6 O O O O 15 60Hz 15 60Hz 15 15 6 15 O O 6 MIN O O 6 10 O O 3 0 10 10 12kHz O O 12kHz O O 10 20 30 30 10 20 5 0 1...

Page 9: ...rs Do not use bridged operation Set the rear panel CONSTANT POWER slide switch to the correct position for the speakers used 5 Plug in a music source Plug a CD player or similar test source into the S...

Page 10: ...ater in this user guide The console can be rack mounted in either of two positions as described below 4 Rack Position 1 Shows the ears fitted for top of rack mounting The controls are angled upwards a...

Page 11: ...qualified electrician If the supply earthing is solid to start with you are less likely to experience problems Do not remove the earth connection from the console mains plug The console chassis is con...

Page 12: ...pment such as CD players and domestic amplifiers The Speakon connector type is used to feed the output of power amplifiers to the loudspeakers It can handle high power levels and can be locked into po...

Page 13: ...diagrams Plugging into the line input automatically overrides the mic input Do not use Y adaptors to combine stereo L and R signals such as those from a CD player into one input Use the stereo or two...

Page 14: ...t is 3dB down at its 100Hz cut off point and reduces the frequencies below that by 12dB every octave halving of frequency Using the filter The high pass filter is an invaluable tool for cleaning up th...

Page 15: ...he equaliser It is best to keep the adjustments made using the equaliser as small as possible Use the microphones best suited for the application and ensure they are positioned carefully for optimum p...

Page 16: ...used to add effects such as electronically simulated reverb or echo to the mix Turning up the FX control sends a portion of the channel signal to the internal effects unit where it is processed before...

Page 17: ...monitors and house mix Press PFL You should hear the signal in your headphones and see its level displayed on the console meters Adjust the gain control so that the meters read an average 0 with loude...

Page 18: ...channel Use a pen or similar pointed object to press the switch if you want to route the ST1 3 signal direct to the LR mix instead of the stereo channel Mixing two stereo signals into the channel Swit...

Page 19: ...uieten a hissy keyboard some LF and HF cut to shape a reverb return and LF to cut back low frequency hum or resonance On the other hand a small amount of HF boost can brighten up a dull recording or a...

Page 20: ...or stereo output is plugged into the EXT FX IN sockets GAIN matches it to the operating level of the channel The external signal sums with the internal effects and is routed through the FX fader to th...

Page 21: ...ternal effects only MUTE Press this switch to turn the FX channel signal off This affects both the internal and external effects signals The large red LED lights to warn that the channel is muted Note...

Page 22: ...cts Start with the channel FX sends turned fully off and the FX channel fader set to its normal 0 position Make sure that FX MUTE is not selected or the MIDI bypass turned on Choose one of the 16 effe...

Page 23: ...reo chorus for guitars and keyboards FLANGE Classic stereo flange effect ROTARY SPK Rotary speaker emulation for organs and guitars PHASER Stereo phasing effect MIDI A standard 5 pin MIDI IN socket is...

Page 24: ...ow then you are likely to hear the residual hiss and noise that is present in all electronic circuits If it is too high then there is a danger that it will try to exceed the maximum output and therefo...

Page 25: ...e or post LR faders It affects both the analogue and digital SPDIF outputs In its normal up position the source follows the fader movements When the switch is pressed the LR faders can be used as the...

Page 26: ...te if a fault is sensed and have a two second switch on delay and instant power off Constant power Most amplifiers produce their maximum output into 4 ohms with considerably less into 8 ohms The uniqu...

Page 27: ...hy the parametric output EQ You are probably familiar with the 7 or 9 band graphic EQ used on traditional powered mixers These have a similar bell shaped response but set at fixed frequency points The...

Page 28: ...of the connected equipment to match the normal 0dBu operating level of the console Impedance balanced outputs like differential electronic balanced drivers use a 3 wire connection and provide the bene...

Page 29: ...s the signal path after the mix stage and before the LR fader With nothing plugged in the signal is routed through the switching contact within the socket The connection is unbalanced with both the in...

Page 30: ...nbalanced inputs Operating level is 0dBu The output follows the panel AB source selection and EQ settings It does not break the signal path to the AB amplifiers AB AMP INPUT TRS inputs to plug externa...

Page 31: ...trange phasing effects due to frequency cancellation If you hear this then check the wiring of the amps cables and speaker connections Speaker Impedance Live sound speakers are typically 4 ohm or 8 oh...

Page 32: ...dent with moulded mains plug supplied AC mains 100 to 240V AC 50 60Hz internally wired Consumption 1600W max peak Mains fuse rating 100 240V AC T10A 250V 20mm A H part number AL3455 Manufacturer Schur...

Page 33: ...AKER A B Speakon pin1 speaker positive pin1 speaker negative Minimum 4 ohms Do not bridge or common the pins Insert Connections Type Level Channel LR Unbalanced TRS tip send ring return 0dBu GAIN LM H...

Page 34: ...You can now lift the panel away and place it inverted on the work surface 3 Unscrew the 6x 6B pan head front trim fixing screws shown in the diagram Take care to avoid damage to the faders The front t...

Page 35: ...15 60Hz 15 FB1 O O FB2 6 O O AUX O O 6 6 O O FB2 O O O O AUX 250Hz 250Hz 250Hz 250Hz 12kHz LINE 10 10 30 10 10 30 10 10 10 30 10 30 10 10 30 10 30 10 O 6 R PAN O O L PAN PK PK O O L PAN 6 O O R L PAN...

Page 36: ...36 PA CP User Guide Check out our Internet site http www allen heath com...

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