- DB Research Stereo Amplifier User Manual

Due to continuous improvement of the product the Specifications are subject to change without notice.

A7M 100.4, A7M 750.1, A7M 1250.1, A7M 2000.1

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A7M 100.4, A7M 750.1, A7M 1250.1, A7M 2000.1 Due to continuous improvement of the product the Specifications are subject to change without notice.
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Low Impedance Stability A7M 100.4 - 2 Ohms Stereo (4 Channel) A7M 750.1 - 1 Ohm Mono A7M 1250.1 - 1 Ohm Mono A7M 2000.1 - 1 Ohm Mono The “A7M Series” amplifiers include built-in variable crossovers. The crossover features a variable frequency selection for precise low pass filtering for all mono amplifiers. The A7M 100.4 also offers independent 12dB per octave High Pass and Low Pass X-Over Network.
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Power GND REM +12V Fuse Ch1 Ch3 Bridged Bridged Ch2 Ch4
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A7M 750.1, A7M 1250.1, and A7M 2000.
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A7M 100.
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A7M 100.
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Peak @ 14.4V : 2 ohms 4 ohms 4 ohms bridged Frequency Resp. S/N Ratio (A-weight) THD with 80k ﬁlter Low Input Level High Pass Filter Low Pass Filter Bass EQ Bass Remote Capability Input Voltage Peak @ 14.4V : 1ohm 2ohm Frequency Resp. S/N Ratio (A-weight) THD with 80k ﬁlter Low Input Level Crossover Freq. Bass EQ Bass Remote Capability Input Voltage A7M 100.4 4 x 200 W 4 x 100 W 2 x 400 W 20Hz - 20KHz >90dB <0.5% 285mV - 6V 50Hz - 5KHz 50Hz - 500Hz 6dB - 12dB @ 45Hz Yes (Optional) 11.2V - 14.4V A7M 750.