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Details

The TOA MA-725F matrix mixer amplifier is a combined 6×4 audio matrix, DSP and 4ch Class-D amplifier. There are four output channels each rated at 250 watts, 70 / 100 volt line.

It's ideal for multi channel or multi zone applications providing 4 independent line inputs & 2 MIC/LIBE priority line inputs.

The MA-725F matrix amplifier performs matrix controls from 4 LINE plus 2 MIC/LINE level inputs to 4 output channels. Each output channel features 64 DSP preset selections for general equalizations, crossover for sub-woofers, or a variety of TOA speakers' EQ settings. 2 MIC/LINE inputs have 1st and 2nd priority levels which can override assigned output channels automatically or manually. 

Each output has independent DSP preset adjustment with input source matrix selection.

Rack mountable using supplied brackets.

  • 4 stereo-summing line inputs with matrix routing to 4 amplifier outputs.
  • Each line input has input level adjustment and assign restriction setting for each output to prevent routing selection.
  • 2 priority MIC/LINE inputs with different priority level for paging or other pre-recorded source which can override the selected line input on assigned output channels.
  • Each priority input also has input level, mute sensitivity and mute hold time adjustments.
  • Each output channel is equipped with 250W Class-D amplifier at 70V/100V output voltage selectable with independent DSP preset selection and 50Hz HPF for the protection of connected speakers.(*)
  • Selectable DSP preset selections include general EQs, like Loudness curves, TOA speaker EQs and crossover settings to be used with sub-woofers.
  • Each output channel also has auxiliary line output to deliver audio to other systems.
  • This matrix doesn’t need any PC programming or network connection for setup at site. (Maintenance purpose only)
  • Optional wall mount remote control, WP-700 can be connected via CAT-5 straight LAN cable to control the line input selection and output volume of each output.
  • Class-D amplifier has various protection features against over current, high temperature and short circuit of speaker lines at each output channel.(*)
  • Power supply with Power Factor Correction for reduced power consumption and world-wide operating range.(*)

Additional Information

Specification
Power Source 100-240V AC, 50/60Hz
Power Consumption 1350W (rated output)
Frequency Response SPEAKER OUT: 20Hz -20kHz (+/-1.5dB, LPF OFF), LINE OUT: 20Hz – 20kHz (+/-1.5dB)
Input Priority input: PRIORITY 1-2 Mic -60dB/Line -10dB selectable, 2.2kOhms, electronically balanced, removable terminal block; Audio input: LINE 1-4: -10dB, 10kOhms, unbalanced, 2 RCA jacks x4 pairs (stereo summing)
Rated Output Power 250W x 4 channel: 70V line (20 Ohm)/100V line (40 Ohms)
Output Speaker output: CH 1-4: 70V (20 Ohms), 100V (40 Ohms), removable terminal block(2P x4): Line Output: CH 1-4: 0dB, 600 Ohm, unbalanced, RCA jack x4; MOH output 0dB, 600 Ohms, transformer balanced, removable terminal block (3P x1)
Speaker EQ Selectable 16 presets x4 banks, each preset has 8 filters, each filter is PEQ/HPF/LPF selectable
S/N Ratio Mic:60dB or more, Line: 75dB or more (A weighted)
Muting Manual mute/ Automatic Mute
Mute Hold Time 50ms – 10 seconds, adjustable
Control Power: Power switch (push switch, delayed operation), Power remote terminal (removable terminal block); Priority 1-2: input level selector (Dip SWx1-REAR), Gain control (Recessed potentiometer-REAR) Output assign (Dip Swx4-REAR), mute sense (Potentiometer-REAR) Manual mute (removable terminal block-REAR), mute hold time (Potentiometer-REAR) Priority mix (Slide SW-REAR); Line 1-4: Gain control (Recessed potentiometer-REAR), Output prohibition (dip SWc4-REAR); Output 1-4: AUDIO selector (push button x4 x4-FRONT), Output volume (normal volume knob x4-FRONT) 70V/100V (slide SWx4 -REAR), High pass filter (Slide SWx4 -REAR Speaker EQ bank (Dip SWx2-REAR), Speaker EQ (Recessed rotary encoder-REAR);
Remote 1-4: Wall panel connection (RJ-45-REAR, for AUDIO selection and output volume attenuation) Remote link (Slide SW x2-REAR)
Indicators Power: Power LED (blue-Front); Priority 1-2:signal (green); LINE 1-4: Signal (green); OUTPUT 1-4: Priority LED (Green x2 x4-FRONT) REMOTE LED (Yellow x1 x4-FRONT), LIBE 1-4 LED (Green x4 x4-FRONT), Peak LED (Red x1 x4-FRONT), Protect LED (Red x1 x4-FRONT)
Operating Temperature 0-40°C
Operating Humidity 35% to 80% RH (no condensation)
Finish Panel: Aluminium black, Case: Steel plate, black, paint
Dimensions 420(W) x 107.6(H) x 350(D) mm
Weight 7.6kg
Accessories Power cord, Removable connectors (5P x 2pcs, 2P x 4pcs) Rack mount bracket x 2pcs, screws x4pcs

View FileWhy An Impedance Meter is Essential for PA Installers    Size: (296.63 KB)
View FileTOA MA-725F 4 Channel Matrix Mixer Amplifier datasheet    Size: (301.56 KB)
View FileTOA MA-725F 4 Channel Matrix Mixer Amp user manual    Size: (1.26 MB)
Product video for TOA MA-725F
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