MA7000 Integrated Amplifier Specifications
POWER OUTPUT 250 watts is the minimum sine wave continuous average power output per channel, both channels operating OUTPUT LOAD IMPEDANCE 2, 4 or 8 ohms RATED POWER BAND 20Hz to 20,000Hz TOTAL HARMONIC DISTORTION 0.005% maximum with both channels operating from 250 milliwatts to rated power, 20Hz to 20,000Hz DYNAMIC HEADROOM 2.0dB FREQUENCY RESPONSE +0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz PREAMPLIFIER MAIN OUTPUT (FOR RATED INPUT) 2.5V unbalanced (8V Maximun) 5.0V balanced (16V Maximun) SENSITIVITY (FOR RATED OUTPUT) High Level, 250mV unbalanced, 500mV balanced Phono, 1.2 mV Power Amp In, 2.5V SIGNAL TO NOISE RATIO (A-WEIGHTED) High Level, 100dB below rated output Phono, 84dB below 5mV input Power Amplifier, 115 below rated output INTERMODULATION DISTORTION 0.005% maximum, if the instantaneous peak power is 500 watts or less per channel with both channels operating for any combination of frequencies from 20Hz to 20,000Hz WIDE BAND DAMPING FACTOR Greater than 40 MAIN OUTPUT IMPEDANCE 50 ohms
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INPUT IMPEDANCE High Level, 20K ohms Phono, 47K ohms; 65pF Power Amp In, 10K ohms MAXIMUM INPUT SIGNAL High Level, 8V unbalanced, 16V balanced Phono, 45mV Power Amplifier In, 16V
POWER GUARD Less than 2% THD with up to 16dB overdrive at 1,000Hz VOLTAGE GAIN High Level to Rec Output: 0dB High Level to Main Output: 20dB Phono to Rec Output: 46dB Phono to Main Output: 66dB Power Amplifier: 25dB EQUALIZER CONTROLS Variable 12dB boost to 12dB cut at 30Hz, 150Hz, 500Hz, 1500Hz and 10,000Hz POWER REQUIREMENTS 100 Volts, 50/60Hz at 8.0 amps 110 Volts, 50/60Hz at 7.2 amps 120 Volts, 50/60Hz at 6.6 amps 220 Volts, 50/60Hz at 3.3 amps 230 Volts, 50/60Hz at 3.3 amps 240 Volts, 50/60Hz at 3.3 amps Standby: Less than 1 watt Note: Refer to the rear panel of the MA7000 for the correct voltage. OVERALL DIMENSIONS (H X W X D) INCLUDING THE FEET AND FRONT PANEL KNOBS AND CABLES Width is 17-1/2 inches (44.45cm) 9-7/16 inches (23.97cm), 17-1/2 inches (44.45cm) x 22 inches (55.88cm) WEIGHT 97.5 pounds (44.3 kg) net
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