Fohhn MA-4.100 ANA - Matrix DSP Amplifier

1014041

Neuf

Matrix DSP Amplifier, 4 × 75 W / 4 ?, Line / Mic, DSP Input / Output, Speaker presets, 9.5½
Rectangle
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1014041
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Fohhn Matrix DSP Amplifier

The MA-4.100 is a compact 4-channel digital power amplifier for media applications and small sound system solutions. The DSP amplifier with a 4 × 4 matrix is ideal for, e.g. equipping conference and training rooms as well as for installation in media steles. It can be easily integrated into media controls via RS-485 and is effortlessly configured with the Fohhn Audio Soft via a USB-C socket.

Proven Technology

For maximum flexibility, almost all of our products also have analog connections or can be ordered with analog connection modules. The still widespread analog technology is supported as well as new digital audio networks. Symmetrical transmission of the signals ensures best interference prevention.

Features

- 4 × 100 W peak / 4 ohms

- Compact dimensions: 9.5" / 1 U, 170 mm installation depth

- Switchable phantom power on each input channel

- Two freely programmable switching contacts

- With Fohhn Airea connection

- Can be remotely operated and controlled over Fohhn Net

- Temperature controlled, low noise fan

- Auto Power Save for minimum standby power requirements

- Fohhn speaker presets ensure maximum safety, reliability and excellent sound quality


 

 



Specifications



 



weight



1.2 kg



dimensions (W × H × D)



1 U / 1/2 19", 211 × 45 × 170 mm



Electronic



 



amplifier technology



class D



amplifier outputs



4



DSP routing (matrix)



4 × 4



frequency response



20 Hz – 20 kHz



signal/noise ratio



>103 dB/A



THD+N



0,08%



dynamic range



>120 dB



password protection



yes



auto power save



adjustable from 1 s to 12 h, or never active



protective circuit



over voltage protection, over current protection, over temperature protection, short-circuit protection, DC protection, power on delay, soft start and inrush current limit



power supply



100 – 240 V AC 50/60 Hz, universal power supply with Power Factor Correction (PFC)



power consumption



Maximum (RMS) 65 W, Idle state 7 W, Auto Power Save 2 W, Standby 2 W



heat dissipation



max. 15 W, 51 BTU/h, 13 kcal/h



temperature range



0 – 40 °C



cooling



temperature-controlled fan



output power



4 x 65 W / 4 ohms, 4 x 35 W / 8 ohms (1 kHz, THD+N < 1 %)



minimum impedance



4 ohms



input channels



4



Controller



 



digital signal processors



1



independent limiters



20



FIR filter



yes



input gain



-80 dB – +12 dB



routing gain



-80 dB – +12 dB



output gain



-80 dB – +12 dB



EQ



8 × 10 fully parametric filters, Gain +/-12 dB, Frequency 10 Hz – 20 kHz, Q 0.1 – 100



selective 3-band limiting



bass / mid / high



limiter / compressor



8



noise gate



8



delay



4 × 0 – 145 ms (0 – 50 m) outputs, 4 × 0 – 30 ms (0 – 10 m) inputs



X-over



8 × Linkwitz/Riley 4. order, 24dB/oktave, Highpass 10 Hz – 20 kHz, Lowpass 10 Hz – 20 kHz



user presets



100



speaker presets



100



system latency



1.2 ms



band-specific time constants



yes



filter technology



80-bit double precision



input



Analog or DANTE 32 kHz – 96 kHz, 16/24 bit, AES/EBU



Input DSP processing



yes



Remote control and remote monitoring



remote control



Fohhn-Net over RS-485, Fohhn Audio Soft, USB-C



remote monitoring



temperature, protect, power supply, Fohhn Net, Fohhn Audio Soft



switching contact



Load preset, Standby On/Off



Display (front)



 



ready LED



blue = Power on, blue blink = Sign



protect LED



red = Error / Protect / Standby



USB Config LED



blue = Host, remote control over USB



Connections and controls



outputs



Phoenix 8-pin, max. 3.3 mm² flexible, 3.3 mm² rigid



USB Config



1 × USB-C socket



Airea Net



1 × RJ45



mains connection



IEC socket



switching contact 1 and 2



1 × Phoenix 3-pin



Display (rear)



 



receive / send LED



Remote control, Fohhn-Net



Input interface analog



THD



< 0,005 % typ. < 0,003 % 1 kHz 0 dBu



signal inputs



Analog, max. signal +18 dBu, phantompower (24 V DC) switchable



inputs



4 × analog/mic



input impedance



10 kohm



frequency response



20 Hz – 20 kHz



latency



1,0 ms



S/N ratio



> 108 dB/A




 


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  • GE : + 41 22 561 07 07
  • ZH : + 41 43 255 59 00
  • TI   : + 41 91 985 25 11

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