22SpecificationsSpecificationsPower OutputMinimum sine wave continuous average power output perchannel, all channels operating is:200 watts into 2 ohm load200 watts into 4 ohm load200 watts into 8 ohm loadRated Power Band20Hz to 20,000HzTotal Harmonic DistortionMaximum Total Harmonic Distortion at any powerlevel from 250 milliwatts to rated power output is:0.005% for 2, 4 or 8 ohm loadsDynamic Headroom2.4dBFrequency Response+0, -0.5dB from 20Hz to 20,000Hz+0, -3dB from 10Hz to 100,000HzSensitivityPhono, 2.5mV for 2.5V rated output (0.5mV IHF)High Level, 250mV for 2.5V rated output (50mV IHF)Power Amplifier Input, 2.5V for rated outputSignal To Noise Ratio (A Weighted) 90dB (84dB IHF) below 10mV input, Phono Input100dB (90dB IHF) below rated output, High Level110dB below rated output, Power AmplifierIntermodulation DistortionMaximum Intermodulation Distortion if instanta-neous peak output per channel does not exceedtwice the rated output, for any combination of fre-quencies from 20Hz to 20,000Hz, with all channelsoperating is:0.005% for 2, 4 or 8 ohm loadsInput ImpedancePhono, 47K ohms, 65pFHigh Level, 22K ohmsMaximum Input SignalPhono, 90mVHigh Level, 8VPreamplifier Maximum Voltage OutputPhono, 8V at tape outputHigh Level, 8V at tape outputMain Out, 8V at preamp outputVoltage GainHigh Level to Tape: 0dBHigh Level to Main: 20dBWide Band Damping FactorGreater than 40Power Requirements100 Volts, 50/60Hz at 5.2 Amps110 Volts, 50/60Hz at 4.8 Amps120 Volts, 50/60Hz at 4.4 Amps220 Volts, 50/60Hz at 2.45 Amps230 Volts, 50/60Hz at 2.35 Amps240 Volts, 50/60Hz at 2.25 AmpsNote: Refer to the rear panel of the MA6900 for the correctvoltage.Overall DimensionsFront Panel: 17-1/2 inches (44.45cm) wide, 7-1/8 inches(18.10cm) high. Depth behind front mounting panel is 16-1/2 inches (41.91cm). Clearance required in front of theFront Panel is 1 inch (2.54cm) for knobs.Weight74.5 pounds (33.8 Kg) net, 92.5 pounds (41.7 Kg) in ship-ping carton
