Toa Electronics MM-700F Matrix Preamplifier

Toa Electronics MM-700F Matrix Preamplifier
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Toa Electronics MM-700F Overview

The MM-700F Matrix Preamplifier from Toa Electronics is an all-in-one solution for multi-channel or multi-zone applications combining a 6x4 audio matrix and a DSP into one chassis. It is equipped with four independent line inputs, two mic/line priority inputs, and four outputs. Each output channel features 64 DSP preset selections for general equalizations, crossover for subwoofer, and EQ settings. The mic/line inputs offer first and second priority levels that can override at assigned output channels automatically or manually. All assignments and setups can be done by dip switches on its rear panel without a laptop or a PC.

The MM-700F is suitable for a wide range of applications that require multi-zone paging and/or background music distribution at restaurants, clubs, retail stores, schools, offices, factories, etc.

Four stereo-summing line inputs with matrix routing to four line outputs
Each line input has an input level adjustment and assign restriction setting for each output to prevent wrong routing selection
Two priority mic/line inputs with different priority levels for paging or other pre-recorded sources that can override the selected line input on assigned output channels
Each priority input also has input level, mute sensitivity, and mute hold time adjustments
Selectable DSP preset selections include general EQs, like loudness curves, TOA speaker EQs, and crossover settings to be used with subwoofers
Each output channel also has auxiliary line output to deliver audio to other systems
Does not require any PC programming or network connection for setup at site (maintenance purpose only)

Toa Electronics MM-700F Specs

Frequency Response20 Hz to 20 kHz (-3 dB / +1 dB)
THD + N0.5% or less, at 1 kHz, rated output
InputsPriority 1 & 2:
Mic -60 dB / line -10 dB (0 dB= 1V) selectable, 2.2 kOhms, electronically-balanced, removable terminal block

Line In 1 to 4:
-10 dB, 10 kOhms, unbalanced, 2 RCA jacks (stereo summing)
OutputsLine Out 1 to 4: 0 dB (0 dB= 1V), 600 Ohms, unbalanced, removable terminal block
MOH: 0 dB (0 dB= 1V), 600 Ohms, transformer balanced, removable terminal block
DSP16 presets in 4 banks at each output channel, selectable
S/N RatioMic: 60 dB (0 dB= 1V) or more (A-weighted)
Line: 75 dB (0 dB= 1V) or more (A-weighted)
MutingManual / automatic mute
Mute Hold Time: 50 ms to 10 sec, adjustable
Priority LevelsPriority 1 > Priority 2 > Line 1 to 4
ControlsPower: On/off switch, power remote terminal
Priority 1 & 2: Mic/line selector switch, gain control, assign switch, auto mute switch, mute sense control, manual mute terminal, mute hold time control, and priority mix switch
Line 1 to 4: Gain control, assign restriction switch
Output 1 to 4: Line in 1 to 4 selector switch, output gain control, DSP bank selector switch, and DSP preset selector switch
Remote 1 to 4: Remote control connector (RJ45), remote link switch
LED IndicatorsPower:
1 x power LED

Priority 1 & 2:
1 x Signal
1 x Peak

Line 1 to 4:
1 x Signal
1 x Peak

Output 1 to 4:
2 x Activated priority
1 x Connected remote control
4 x Selected line
1 x Signal
1 x Peak
Power Source100 to 240 VAC, 50/60 Hz
Power Consumption9 W or less (standby)
Operating Temperature32 to 104°F (0 to 40°C)
Operating Humidity35 to 80% RH (no condensation)
MaterialPanel: Aluminum
Case: Painted steel plate
CertificationscULus 60065, EN60065, EN55032, EN55020, FCC part15 class A
Dimensions16.54 x 4.24 x 13.78" (420 x 107.6 x 350 mm)
Weight12.3 lb (5.7 kg)
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