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Pioneer M-75

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Technic details

Specifications

Type:
Stereo power amplifier
Circuit system:
3 steps of first rank differential current mirror load-intensities Darlington parallel push pull pure complimentary OCL circuitry (DC amplifier stream composition)
Effective output:
180W+180W (4ohm) (Both channel drive, 20Hz - 20kHz)
150W+150W (8ohm) (Both channel drive, 20Hz - 20kHz)
THD:
At the time of an effective output - 0.01% (20Hz - 20kHz, 8ohm)
At the time of 75W output - 0.01% (20Hz - 20kHz, 8ohm)
At the time of 1W output - 0.01 (20Hz - 20kHz, 8ohm)%

Cross modulation distortion (50Hz : 7kHz = 4:1 or 8ohm):
At the time of an effective output: 0.01%
At the time of 75W output: 0.005%
At the time of 1W output: 0.005%
Output bandwidth (IHF, both channel drive):
5Hz - 35kHz (0.01% of distortion)
5Hz - 60kHz (0.05% of distortion)
Frequency characteristic:
5Hz - 100kHz, +0 -1dB (at the time of 1W output
Input:
1V/50kohm
Outputs:
A and B - 4 - 16ohm
A + B - 8 - 16ohm
Dumping factor:
100 (20Hz - 20kHz, 8ohm)
S / N ratio:
115dB (IHF, A network, a short circuit)
The semiconductor used:
IC’s - 2 pieces
Transistors - 61 pieces
Diode, other - 65 piece
Supply voltage:
AC 100V, 50Hz / 60Hz
Power consumption:
330W (Electrical Appliance and Material Control Law)
Maximum electric power consumption:
900W
AC outlet:
Un-interlocking, one line
EIA specification rack mounting unit:
4U

Dimensions (W x H x D):
480 x 187 x 445mm
Weight:
24.5kg
Year:
1980

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