Allen & Heath AHM-32 32×32 channels digital matrix processor
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The Allen & Heath AHM-32 32×32 channels digital matrix processor is an audio matrix processor for sound management and installation.
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The Allen & Heath AHM-32 32×32 channels digital matrix processor is an audio matrix processor for sound management and installation. It is designed for audio distribution, paging, conferencing and speaker processing in a multitude of environments, including corporate, hospitality, education, event and multifunctional venues, retail, theaters, cruise ships and sports facilities. The AHM-32 processor is complemented by an extensive ecosystem of remote audio expanders, remote controllers, interfaces, applications and software. A family of portable, rack-mountable or wall-mountable audio expanders is available with a choice of proprietary point-to-point Layer-2 or Dante transport protocols.The procefssor is capable of handling 32 input channels and 32 output channels, all independently assigned. All input channels will be configurable mono/stereo and have access to any local or remote input. Output channels will be configurable as mono/stereo zones or as outputs for speaker processing with 2-, 3-, or 4-way crossovers, allowing up to 32 mono zones/16 stereo zones, or any combination of zones and outputs for speaker processing not to exceed 32 total channels. Allen & Heath AHM-32 shall allow the creation and storage of up to 16 user profiles, each with editable name and password. Allen AHM-32 matrix processor shall allow the connection of two general-purpose inputs and two general-purpose relay outputs via Phoenix connectors that can be plugged into the rear of the chassis. Each input connector will allow analog control of Mute, Levels, Preset Recall, Custom MIDI via a 0-10V control signal. Output 1 will support closed and open operation, while output 2 will support open operation. The outputs will be configurable to respond to mutes, preset recalls, and level detection. A 128×128 I/O port is provided for optional digital interface modules. An optional Dante module will provide a minimum of 32×32 I/O at 96kHz and will be AES67 and Dante Domain Manager compliant. An optional SLink module will be available for Ethernet audio expansion, which will support various Audio-over-Ethernet protocols and provide access to a maximum of 128×128 I/O. An optional 8×8 networkable GPIO interface will be available for expansion of GPIO functionality. Networkable, PoE-enabled remote controllers will be available to complement the unit, including wall-mounted controllers in US and EU formats and desktop controllers with a minimum of 8 motorized faders and 8 LCD displays. The unit shall provide automatic microphone mixing (AMM) of up to 32 microphone sources in 1, 2 or 4 zones. The AMM shall be capable of operating in classical gain sharing mode or optionally as a NOM (Number of Open Microphones) algorithm. Allen & Heath AHM-32 shall be equipped with a built-in power supply that accepts AC mains voltages of 100-240V, 50/60Hz, 70W max via a 3-pin grounded IEC male connector mounted on the rear chassis.
Audio customisation and optimisation
Allen & Heath’s Audio Matrix processors offer advanced audio signal processing, with built-in parametric EQs, filters and delays. They allow you to customise and optimise your audio to suit any environment or system. They are ideal for installations in conference rooms, theatres and houses of worship.
Expansion without compromise in quality
Allen & Heath audio processors support flexible and scalable configurations, ideal for handling multiple independent zones and different sources. They are perfect for multi-zone installations and can be integrated with protocols such as Dante, ensuring system expansion without compromising on quality. Compatible with third-party AV systems, they improve versatility and operational efficiency.
Precise control via TCP/IP protocol
Allen & Heath offers intuitive control solutions for their Audio Matrix processors, which can be managed via touchscreen interfaces or remotely via dedicated apps. They offer precise control via TCP/IP protocol, supporting AVB and Dante configurations. It features customisable routing, with advanced DSP management and pre-configurable presets.
Technical specifications
| Weight | 4 kg |
| Dimensions | 48,26 x 27 x 4,4 cm |
| Input | Mic/Line inputs: Balanced, +48V phantom power Mic/Line: Fully recallable preamplifier Input sensitivity: -60 to +15dBu Analogue Gain: +5 to +60 dB, in 1 dB increments Pad: -20dB active PAD Maximum input level: +30dBu (PAD in) Input impedance: >3kΩ (Pad out), >8kΩ (Pad in) Microphone EIN: -127dB with 150Ω source |
| Output | Analogue outputs: Balanced, relay protected Output impedance: <75Ω Nominal output: +4dBu = 0dB meter reading Maximum output level: +21dBu Residual output noise: -92dBu (quiet, 22-22kHz) |
| System | Balanced XLR in to XLR out, 20-20kHz, +5dB Gain, Pad out, 0 dB signal (meter) Dynamic range: 108dB Signal to system noise: -92dB Frequency Response: 20Hz - 20kHz +0/-0.5dB THD+N (analogue input to output): 0.005% to +16dBu output, 1kHz Gain of +5dB Headroom: +18dB Sampling Frequency: 96kHz +/- 20 PPM Acoustic noise: Typical load, 23 degree C environment No I/O port or AEC installed: <29dBA With I/O port and AEC installed: 30dBA |
| Input processing | 32 input channels: Configurable mono or stereo Trim: +/-24 dB digital trim Polarity: Normal/Reverse Stereo Amplitude Control: L/R, R/L, L -Pol/R, R -Pol/L, Mono, L/L, R,R, M/S Sidechain: Selectable with auto-key or source, with Lo-Pass and Hi-Pass at 12 dB/octave Threshold: -72dBu to +12dBu Depth: 0 to 60 dB Attack: 50us to 300ms Hold: 10ms to 5s Release: 10ms to 1s Insert: In/Out, level +4dBu/-10dBV PEQ type: 8 fully parametric bands, +/-15dB Band 1 - 8: Shelving LF/HF selectable, Bell (variable or constant Q), Hi-Pass / Lo-Pass Bell width: 0.50 - 6.00 Q Rack type: Classic Baxandall Filter Hi-Pass, Lo-Pass: 12 dB/octave Compressor: Peak or RMS sensing Side chain: Selectable with auto-key or source, with Lo-Pass and Hi-Pass at 12 dB/octave Threshold: -46dBu to 18dBu Compressor parameters: Threshold, ratio, attack, release Delay: Up to 683 ms |
| Zone processing | Up to 32 zones: Configurable mono or stereo Source selector: Up to 20 sources, fade-in and fade-out level time <20s Insert: In/Out, +4dBu/-10dBV level GEQ: 28 bands 31Hz -16kHz, +/-12dB, constant-Q PEQ: See Input Processing Compressor: See Input Processing Delay: Up to 683 ms Ambient Level: Source and measurement point selectable, Differential Gain -18 dB to 40 dB Gap: Source and measurement point selectable, Threshold -62dB to -20dB, Time 0-5000 ms Gain Element: Minimum/Maximum Gain, Speed 0-30dB/s Limiter: Threshold, Attack and Release selectable, Release |
| Speaker processing | Crossover: Configurable 2, 3, 4-way Filters: Asymmetrical, 1st order selectable, Butterworth 12/18/24 dB/octave, LR 12/24 dB/octave EQ: 4 fully parametric bands or 28 GEQ bands Delay: Up to 683 ms Limiter: See Zone Processing |
| Channels | 32 |
| Mode | D-Classical gain sharing or NOM |
| Power supply | 100-240V AC, 50-60Hz, 70W max |
| Compatibility | Allen & Heath IP1, IP6, IP8 remote control |