Pioneer C-73+M-73 class A.B Reference urushi

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Pioneer M-73

specifications

Manufacturer: Pioneer
Model: M-73
Model range: Urushi series
Type: Power amplifier
Years of manufacture: 1990 - 1998
Made in: Japan
Color: Black, wooden sides
Remote control:
Power consumption: 1000 watts
Dimensions: 459 x 424 x 163 mm (W,D,H)
Weight: 20.9 kg
Original price approx.: 1'450 DM

Connections

Number of inputs: 3
CD Direct (1V / 40 kOhm), adjustable
Line Direct (1V / 40 kOhm), adjustable Control Amp (1V / 40 kOhm)

Number of outputs: 4
Output/CD Line
Speaker A
Speaker B
Headphones (front connector)

Technical Data

Continuous power (at distortion factor)
8 Ohm: at distortion factor 0.009%: 2x 110 Watt (Class B) / 2x 20 Watt (Class A)
8 Ohm: at distortion factor 0.7%: 2x 125 Watt (Class B) / 2x 25 Watt (Class A)

Dynamic power
8 Ohm: 170 Watt
4 Ohm: 300 Watt
2 Ohm: 325 Watt

Total harmonic distortion: 0.005% (20Hz - 20kHz, 50 Watt, 8 Ohm, Class B)
Attenuation factor:
Frequency Response: 5 - 150,000 Hz (+0 / -3dB).
Signal-to-noise ratio: 120 dB
Stereo Channel Separation:

Special Features

Class A/B, switchable
Input control for CD Direct and Line Direct, thus usable as "stand-alone power amplifier
Device of the Urushi series

Pioneer C-73

specifications

Data
General

Manufacturer: Pioneer
Model: C-73
Model range: Urushi series
Type: Preamplifier
Years of manufacture: 1990 - 1998
Made in: Japan
Color: Black, wooden sides
Remote control: No
Power consumption: 26 W
Dimensions: 457 x 163 x 417 mm
Weight: 10.1 kg
Original price approx.: 1'100 DM

Connections

Number of inputs:
Phono 1 MM: 2.5 mV, 50 kOhm, max. 450 mV
Phono 2 MC: switchable 0.25 mV, 40 kOhm / 0.125 mV, 3 Ohm
CD: 150 mV, 50 kOhm

Tuner: 150 mV, 50 kOhm
Tape Play 1, 2: 150 mV, 50 kOhm
Aux 1, 2, 3: 150 mV, 50 kOhm
Number of outputs:
Tape Rec 1, 2: 150 mV, 1 kOhm
Pre out: 1 V, 600 Ohm

Specifications

Frequency response: 1 Hz - 150 kHz, +0 dB, -3 dB
Distortion factor: 0.002 %
Signal-to-noise ratio:
Phono MM 1, 2:
Phono MC 3:
High level: > 106 dB
Tone control
Bass: 100 Hz, ± 9 dB
Treble: 10 kHz, ± 9 dB
Loudness:
High Filter: - 6 dB / octave at 10 kHz
Low Filter (Subsonic): - 6 dB / octave at 7 Hz
Muting: 0 dB, - 20 dB