Stereo Amplifier SA-8500 II (2)

A stereo hi-fi integrated amplifier with power output of 60 watts per channel into 8 ohms (75 watts per channel into 4 ohms). RCA inputs for Phono 1, Phono 2, Tuner and Aux, RCA Rec/Play sockets for 2 tapes, DIN Rec/Play socket for 1 tape. Pre-out and Power Amp In sockets connected by removable U shaped connectors, output connectors for 2 pairs of loudspeakers. 4 AC outlets except Europe model. Bass and Treble tone controls, switches for High and Low filters, Loudness, Muting, Tape Duplicating and Tape monitor.  Jack for headphones.

Specification
Semiconductors: Transistors 47, Diodes  29
Power Amplifier Section
Circuitry   2-stage differential amplifier Parallel PP direct-coupled OCL.    
Continuous Power Output from 20Hz to 20kHz
  (Both channels driven)    60 watts per channel (8 ohms)
                                      75 watts per channel (4 ohms)
Total Harmonic Distortion at 20Hz to 20kHz
   Continuous rated power output                   0.05%
   30 watts per channel power output, 8ohms 0.01%
   l watt per channel power output, 8ohms      0.01%
Intermodulation Distortion
  Continuous rated power output                   0.05%
  30 watts per channel power output, 8ohms  0.01%
  1 watt per channel power output, 8ohms     0.01%
Frequency Response 5Hz to 100kHz +0dB,-1dB
Input (Sensitivity/Impedance)
  POWER AMP IN    1V/50kohms
Output  Speaker:      A, B, A + B
            Headphone: Low impedance
Damping Factor (20Hz to 20kHz, 8ohms)    30
Hum and Noise (IHF, short-circuited, A network)    110dB
Preamplifier Section
Circuitry
  Equalizer amplifier: 1st stage differential amplifier 3-stage direct-coupled A class SEPP.
  Control amplifier:    1st stage differential amplifier 2-stage direct-coupled, NFB type.
Input (Sensitivity/Impedance)
  PHONO 1        2.5mV/50kohms
  PHONO 2        2.5mV/50kohms
  CARTRIDGE LOAD Both PHONO 1 and 2: 100, 200, 300, 400pF
  TUNER           150mV/50kohms
  AUX               150mV/50kohms
  TAPE PLAY 1 150mV/50kohms
  TAPE PLAY 2 150mV/50kohms
Output (Level/Impedance)
  TAPE REC 1  150mV
  TAPE REC 2  150mV
  PRE OUT       1V/2kohms, 6V/2kohms (Max.)
Total Harmonic Distortion
  (20Hz to 20,000Hz)          0.02%
Frequency Response
  PHONO (RIAA Equalization) 20Hz to 20kHz ±0.2dB
  TUNER, AUX, TAPE PLAY     5Hz to 50kHz +0dB, -1dB

Versions/Power Requirements
KU  USA / 120V AC 60Hz
KC  Canada / 120V AC 60Hz
HG  Europe  / 220/240V AC 50/60Hz Switchable
S    General Export / 110/120/220/240V AC 50/60Hz Switchable

See also the earlier Pioneer SA-8500 Stereo Amplifier.

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