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Pioneer SA-8900II

Technic details

Specifications

Type:
Stereo Integrated Amplifier
[Power amplifier section]
Circuit system:
Differential 2 stages all stages direct connection parallel PP pure complementary OCL
Effective output (Both channel drive, 20Hz to 20kHz):
100W + 100W (4Ω)
80W + 80W (8Ω)

Harmonic distortion (20Hz to 20kHz):
0.05% (At effective output)
0.01% (8Ω at 40W output)
0.01% (8Ω at 1W output)
Intermodulation distortion factor (50Hz: 7kHz = 4: 1):
0.05% (At the time of effective output)
0.01% (8Ω at 40W output)
0.01% (8Ω at 1W output)
Output bandwidth (IHF, both channels drive):
5Hz to 45kHz (Distortion rate 0.05%)
Frequency characteristic:
5Hz to 100kHz, +0 -1dB
Input sensitivity / Impedance:
Power amp in - 1V / 50kΩ
Output terminal:
Speaker A and B - 4Ω to 16Ω
Speaker A + B - 8Ω to 16Ω
Headphone - 4Ω to 16Ω
Damping factor:
30 (20Hz to 20kHz, 8Ω)
S / N:
110dB (IHF, A network, short circuit)
[Preamp part]
Circuit system:
Equalizer amplifier - First-stage differential 3 steps direct connection class A SEPP
Tone control section - First-stage differential 2-stage direct connection flat amplifier, NFB type twin tone
Input sensitivity / Impedance:
Phono1, 2 - 2.5mV / 10kΩ, 25kΩ, 50kΩ, 100kΩ
Cartridge load capacitance - 100pF, 200pF, 300pF, 400pF (Both Phono 1 and 2)
Tuner, Aux, Tape play 1, 2 - 150mV / 50kΩ
Phono maximum allowable input:
Phono 1 to 2 - 300mV (1kHz, harmonic distortion 0.05%)
Output level / impedance:
Tape Rec1, 2 - 150mV
Pre out - 1V / 2kΩ, 10V / 2kΩ (Max.)
Harmonic distortion rate (20Hz to 20kHz):
0.01% (1V output)
0.1% (10V output)
Frequency characteristics:
Phono - 20Hz to 20kHz, ±0.2dB
Tuner, Aux, Tape play - 5Hz to 50kHz, +0 -1dB
Tone control:
Bass Sub - ±6dB (50Hz)
Main - ±8dB (100Hz)
Treble Sub - ±6dB (20kHz)
Main - ±8dB (10kHz)
Filter Low - 15Hz, 6 dB / oct.
High - 8kHz, 6 dB / oct.
Loudness contour (Volume -40dB) - +6dB (100Hz) / +3dB (10kHz)
Muting - -20dB
S / N (IHF, A network, Short circuit):
Phono - 75dB
Tuner, Aux, Tape play - 95dB
Semiconductors used:
Transistors x 55 pieces
Other diodes x 33
AC outlet:
Power switch interlock x 2 lines
Power switch not linked x 2 lines

Power supply voltage:
AC 100V, 50 / 60Hz
Power consumption:
200W (Electrics Control Act)
560W (Max.)
Dimensions (W x H x D):
420 x 150 x 376mm
Weight:
16.2kg
Year:
1976

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