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Allen & Heath PA 12-CP Powered Mixer

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Product 634041
Product Price $0.00
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The Allen & Heath PA12-CP Powered Mixer has all the tools you need to run a stereo PA system in a straightforward plug-and-play format. You'll quickl...Click To Read More About This Product

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An impressive value on a feature-rich PA mixer.

The Allen & Heath PA12-CP Powered Mixer has all the tools you need to run a stereo PA system in a straightforward plug-and-play format. You'll quickly feel at home with a number of innovative touches based on many years of real-world experience. High-quality construction includes the same individual vertical circuit boards, nutted pots, and solid copper bus connections as the acclaimed ML series mixing consoles. Experience the full, open, natural sound quality that has made Allen & Heath a respected name around the world.

2x500W RMS peak power professional class, fan-cooled, circuit-protected AB power amplifiers with the same output into 4 or 8 ohms.

8 mono channels with mic (XLR) and line (TRS) inputs (line input overrides the XLR input), individual +48V phantom power switches, and new, padless 2-stage preamps with smooth gain law provide pristine sound quality. Line input goes to second stage for better matching and performance. Switched 100Hz high-pass filter, insert point, 4-band EQ, 4 aux mixes, mute with LED, PFL button with LED (functions as peak indicator), plus 100mm fader on every channel.

Shelving LF (60Hz), and HF (12kHz) with fixed LM (250Hz), and swept HM (300Hz - 6kHz). The fixed 250Hz control has been carefully selected to provide reduction of muddy sounds and enhance warmth.

2 stereo channels with 2 unbalanced stereo inputs on each”one RCA and one TRS jack. Independent gain controls provide source mixing in the channel strip. The top inputs (RCA) can be switched direct to L&R instead of the channel strip providing extra returns. Each stereo channel features 2-band shelving EQ, 4 aux mixes, stereo balance, mute with LED, PFL with LED, and 100mm fader as mono channels.

Auxiliary sends from all channels include 2 pre-fade for foldback mixes - these have 100mm master faders, mute switch with LED, AFL with LED, and TRS outputs (which can be routed internally to output section). One post-fade aux mix for effects which feeds the internal effects and has a TRS jack output for external effects. One post-fade aux mix to a TRS jack output is provided for external effects or special feeds.

The PA12-CP mixer's main stereo mix output has 100mm fader control and mute with LED plus TRS jack outputs, mono sum output with level control, and switch for subwoofer mode to TRS jack. Record output (RCA) analog and S/PDIF switchable pre/post fader, plus twin 12-segment LED bar meters that show program (or PFL/AFL). Insert points on TRS jack for external processing as well as output EQ and routing to internal amplifiers/external systems are provided.

A 4-band semi-parametric EQ enhances the output section. This affects the TRS slave outputs and the internal constant power amplifiers, offering more control than graphic equalizers for precise management of speakers, especially foldback/monitors. The audio mixer's source selector allows output EQ section to be used on left/ right, L&R sum/foldback 1, or foldback1/foldback 2.

16-program digital effects processor provides reverbs, delays, chorus, and others, including combinations. This FX module takes its feed from the post-fade FX aux on the mono and stereo channels. The output of the FX module is controlled by a 100mm fader with mute and PFL and is routed to the stereo mix and FB1&2 with post fade level controls. 2 TRS inputs with level control provide a way of combining external effects with the internal unit. The internal effects can be switched off to use external effects only if preferred. A footswitch TRS jack is provided to mute the effects channel. Editing of effects can be done via MIDI using a software editor available free from the resource CD or the Allen & Heath website.

Background music (BGM) mode plays 2 track input into the main mix post fader, allowing the user to pull down the fader (while patching, taking a break, or during walk-in) and leave music playing through the amplifiers/speakers. The Allen & Heath PA12-CP Powered Mixer's 2 track input (RCA) with level control to L&R feeds the headphone monitor selector (checking recording) while twin, 3-color 12-segment LED meters display active monitor source. Large LED indicates PFL/AFL active signal overrides L&R/2TRK monitor source selection. Standby switch uses relays to disconnect the speakers. 2 track output (RCA) analog + S/PDIF allows direct-to-digital recording. Switchable pre/post master L&R fader. Mono sum out with level (TRS) mode switch to provide sub feed with 100Hz low pass filter. Phones out (TRS) with level.

  • 8 mono channels with mic (XLR) and line (TRS) inputs
  • Line input overrides the XLR input
  • 2X500W RMS peak power professional class, fan-cooled, circuit-protected AB power amplifiers
  • Individual +48V phantom power switches are provided
  • New padless 2-stage preamp with smooth gain law Line input goes to second stage for better matching and performance
  • Switched 100Hz high pass filter
  • Insert point
  • 4-band semi-parametric EQ
  • 4 aux mixes
  • Mute with LED
  • PFL button with LED that functions as peak indicator
  • 100mm fader
  • 16-program digital FX processor

Spend a little more and get a whole lot more. You can't beat this system. Order today.

  • 0dBu = 0.775 Volts rms 0dBV = 1 Volt rms
  • Maximum output level: TRS +21dBu into 2kOhm load
  • Nominal output level: L-R +0dBu into 600 ohm max load; Other o/p's +0dBu into 2kOhm max load
  • Internal headroom: Mix to o/p +21dB. Channels+21dB
  • Peak LEDs: 5dB before clipping
  • Noise: measured rms 22Hz to 22kHz. Mic EIN ref 150 ohm source -128dB. L-Rresidual <-89dBu (nothing routed). L-R mix <-85dBu (channels routed)
    Frequency response: 20Hz to 30kHz +/- 0.5dB
  • THD: +10dbu, 1kHz
  • Channel to mix o/p <0.006%
    Crosstalk:: - 1kHz, Ch to ch <-90dB, Chl mute shutoff<-95dB, Ch fader shutoff <-95dB
    Power Amp: Outputpower Constant Power switchable. = 2 x 500w RMS into 4 ohm. = 2 x 500wRMS into 8 ohm. Frequency response THD+N <0.02%@1kHz
    MainsPower: Internal unit, linear regulated Internally wired to requiredcountry voltage
  • AC mains input 100V to 240V AC@50/60Hz
  • Powerconsumption 1600W max
  • Mains fuse rating
  • 100-120V AC use T10A 20mm
  • 220-240V AC use T8A 20mm
  • 20-3/5"W x 7"H x 21-1/5"D
  • 46 lbs.

Review Snapshot

by PowerReviews
Allen & HeathPA 12-CP Powered Mixer

(based on 4 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



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  • 1 Stars



Reviewed by 4 customers

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(1 of 1 customers found this review helpful)


Great monitor mixer

By Neatoman

from Palm Beach, FL

See all my reviews

Comments about Allen & Heath PA 12-CP Powered Mixer:

I use this as a keyboard amp/mixer with an EV Eliminator II for my stage monitor. It puts out 500w @4 or @8 ohms. It colors the sound only a minute amount, and generally performs well under all conditions. The onboard reverb is nice, not cheesy or cheap sounding, but not great either.The faders and buttons are fragile, but work well. The action on the faders is very smooth. The preamps put Mackie and lower end Yamaha units to shame, but are not as good as Midas, Neve, or high end Yamaha.Generally, if you need a portable PA, this thing is very nice. If you only need a kilowatt, then you'll love it.The biggest negative is the fact that it has no XLR outputs. Other than that, I say buy it. It's cheap as dirt for what you get.

(1 of 2 customers found this review helpful)


GREAT Mixer-with one


from Boston

Comments about Allen & Heath PA 12-CP Powered Mixer:

Having used Allen and Heath mixer in the past doing professional sound I was excited with the the prospect of the CP12.I am a big fan of the "British" mixer sound having used a Soundcraft for years.My system was getting old and channels dying it was time for the CP12.I loved it right out of the box although the master EQ's take a bit of getting used to.The sound is crisp,accurate and cleanwith the onboard effects passable.My major problem is the fact that there is only 1 output jack (Speakon) per channel thus almost defeating the idea of the Speakon as I use Monitors and Mains meaning that if I do,I must use an adapter-Speakon out to Female quarter inch then quarter inch male to 2 female then out to left and right main and same with 2 monitors speakers-pain in the neck!Otherwise it is TERRIFIC with tons of REAL power!


Great powered mixer

By Captain's DJ & Karaoke

from Portland, OR

Comments about Allen & Heath PA 12-CP Powered Mixer:

I've had mine for over a year and just love it! Mine rides in my trailer 4 nights a week and has proved to be bullet proof.It has plenty of power for medium size venues. The semi-parametric EQs for the mains are awesome.I also love the 4 band EQ for the 8 mono channels. More control is always a plus.


Very Nice Experience !!!

By Bob Noell

from Van Alstyne, Texas

Comments about Allen & Heath PA 12-CP Powered Mixer:

I was hesitant to spend a thousand dollars on a board that I could not test out in person. So, I relied on the brand name, and prior reviews.The board came safely shipped, and I admit it is a bit heavy. So, if you are a solo act, you better be in shape.I tested it several times with my hard drive music, and I did notice a more clear sound that I have had previously with all of my other powered mixers. It is very crisp, and no cross channel leaks.As for volume it is rather nice. It handles venues with about 500 people nicely. I haven't had it long enough to test its road toughness, but I do know that the sound for medium venues is very good quality.I recommend the mixer for output quality, just be in shape if you plan to transport it a lot.

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