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Allen & Heath PA28

24 Mono mic or line inputs + 2 stereo


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Product Description for the Allen & Heath PA28

The Allen & Heath PA-28 is a 28-channel sound reinforcement mixer with routing and features suitable for mixing in mid-size clubs, auditoriums, restaurants, small theaters, houses-of-worship, and more.

The PA-28 features a total of 28 input channels, with channels one through 24 featuring mono 1/4" TRS line and balanced XLR microphone inputs. Two dedicated stereo input channels feature 1/4" TRS and RCA phono paired connections for keyboards, returning effects, etc. Both 1/4" and RCA stereo inputs feature individual level controls and may be used simultaneously for a total of four stereo inputs. A built in effects processor provides high quality reverb, chorus and delay effects.

The PA-28 is an excellent solution for small halls, bars, restaurants, karaoke events, theaters, classrooms, houses-of-worship and more.

Stereo and Mono Inputs
The input channels feature 24 mono inputs with 1/4" phone and XLR connections. Dedicated stereo inputs feature stereo-paired 1/4" phone and RCA connections that are capable of being used simultaneously.
Digital Effects Processor
16 reverb, chorus and delay effects are provided and may be edited with external MIDI editing software.
Flexible Output Routing
Mix outputs include source selectable A/B amplifier outputs, mono sum with switchable sub bass filter, analog and S/PDIF digital recording outputs.
Flexible Output EQ
4-band semi-parametric EQ are featured for final frequency contour of output signal.


Total # Of Inputs                              28 Inputs
Mic/Line Inputs                                24 - Balanced 3-pin XLR Microphone
                                                        28 - Balanced 1/4" TRS Phone 4 - Unbalanced RCA Phono
Stereo Line Inputs                           L/R Paired 1/4" TRS Phone x2
                                                        L/R Paired RCA Phono x2
In-Line Inputs/Returns                     No
AUX Sends                                      Stereo 1/4" TRS
AUX Returns                                   EXT FX In - L/R 1/4" Phone
Inserts                                             1/4" TRS Phone - Channels 1 through 8 and Stereo Main
BUS (Group) Outputs                      Stereo Output Only -
Amplifier:                                         L/R Speakon Connectors Main Out: L/R TRS 1/4" Phone
2 Trk Master I/O     2 TRK I/O -       RCA Phono
ALT I/O     Mono Out:                      1/4" TRS Phone
Slave Out:                                       1/4" TRS Phone x2 AMP In: 1/4" TRS Phone x2
Monitor Outputs      FB1 and FB2 - 1/4" TRS Phone x2
Headphones -                                  1/4" TRS Phone
EQ Section     Channel EQ -
                                                        4-Band semi-parametric +/- 15dB gain
                                                        HF shelving 12kHz HM bell 350Hz to 7kHz
                                                        LM bell 250Hz LF shelving 60Hz
Output EQ -                                     4-Band semi-parametric
                                                        +/- 10dB HF bell 15 to 20kHz
                                                        HM bell 500 to 10kHz LM bell 120 to 2kHz
                                                        LF bell 20 to 200kHz
Solo/Mute                                        No
Channel Level Control                    100mm Alps
Trim/Gain Control                            Rotary Control
Phantom Power                              +48V Phantom Power
Metering                                          Stereo Peak LED
Frequency Response                      +/- 1dB 20Hz to 30kHz
Dynamic Range                              Not Specified by Manufacturer
Signal-to-Noise Ratio     <              -88dBu
Total Harmonic Distortion (THD)     < 0.006% THD+N @1kHz +10dBu
Power Supply                                 100 to 240V AC @ 50/60Hz internally wired
Consumption -                                1600W max (peak) Mains fuse rating - 100-240V AC T10A 250V 20mm
Dimensions (WxHxD)                     38 x 6 x 21" (958 x 145 x 539mm)
Weight                                            46 lbs (21kg)

Brand Allen and Heath
Weight 55.5000
Dimensions (WxHxD) 37" x 7" x 21.2"

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