Specifications
Specifications
Power Output
Minimum sine wave continuous average power output per channel, both channels operating is:
75 watts into a 2 ohm load
75 watts into a ohm load
75 watts into an 8 ohm load
Rated Power Band
20Hz to 20,000Hz
Total Harmonic Distortion
Maximum Total Harmonic Distortion at any power level from 250 milliwatts to rated power output is: 0.5% for a 2, 4 or 8 ohm load
Frequency Response
+0,
Sensitivity
Phono: 4.4mV for 2.5V rated output
High Level: 450mV for 2.5V rated output
Power Amplifier Input: 2.5V for rated output
Intermodulation Distortion
Maximum Intermodulation Distortion if instanta- neous peak output does not exceed twice the rated output, for any combination of frequencies from 20Hz to 20,000Hz is:
0.5% for a 2, 4 or 8 ohm load
Input Impedance
Phono: 47K ohms, 65pF
High: Level, 22K ohms
Maximum Input Signal
Phono: 90mV
High Level: 8V
Preamplifier Maximum Voltage Output
Phono: 8V
High Level: 8V
Main Out: 8V at preamp output
Voltage Gain
High Level to Tape: 0dB
High Level to Main: 15dB
Wide Band Damping Factor
Greater than 18
Power Requirements
100 Volts, 50/60Hz at 3.6 amps
110 Volts, 50/60Hz at 3.6 amps
120 Volts, 50/60Hz at 3.6 amps
220 Volts, 50/60Hz at 1.8 amps
230 Volts, 50/60Hz at 1.8 amps
240 Volts, 50/60Hz at 1.8 amps
Note: Refer to the rear panel of the MA2275 for the correct voltage.
Preamplifier Tube Compliment
2 - 12AX7A Phono Circuitry
2 - 12AX7A High Level Circuitry
Power Amplifier Tube Compliment 2 - 12AT7
4 - KT88/6550
Overall Dimensions
Width is
Height is
Depth is
Weight
77 pounds (35 kg) net, 110 pounds (50 kg) in shipping car- ton
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