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Analog Mixers
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Allen & Heath

PA28

Code: 5217

28 Channel Professional Mixer

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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.

    • Balanced XLR AB outputs
    • LR main TRS outputs
    • Mono output summed from LR
    • 4 Auxes – 2 pre-fade foldback, 1 post-fade aux, 1 post-fade effects
    • External stereo effects input to sum with internal effects
    • 2-Track input for monitor and BGM replay
    • 2-Track recording with analog and digital SPDIF outputs
  • 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): 958 x 145 x 539mm
  • Weight: 21kg