Technics SA-8100X

Data

General

Type: Quadraphonic Receiver

  • Years of manufacture: 1973 - 1976
  • Made in: Japan
  • Color: brushed aluminum front, wooden cabinet
  • Remote control: no
  • Power consumption: 500 W max.
  • Dimensions: 502 x 155 x 395 mm (WxHxD)
  • Weight: 14.8 kg
  • Original price approx.: 2'198 DM


Connections

  • Number of inputs:
    • Phono 1, 2: 2 mV, 50 kOhm, max. 330 mV
    • Aux 2-channel: 180 mV, 30 kOhm
    • Aux 4-channel: 180 mV, 30 kOhm
    • Tape Play 1, 2, 2-channel: 180 mV, 30 kOhm
    • Tape Play DIN, 2-channel: 180 mV, 30 kOhm
    • Tape Play 1, 2, 4-channel: 180 mV, 30 kOhm
    • Tape Play DIN, 4-channel: 180 mV, 30 kOhm
    • Discrete 4-channel: 180 mV, 30 kOhm
    • Main In:
    • Antenna (FM: 75, 300 Ohm, AM)
    • Microphone (6.3mm jack).
  • Number of outputs:
    • Tape Rec 1, 2: 180 mV

Tape Rec DIN: 30 mV

    • Dolby NR Adapter:
    • Pre Out: 1 V
    • Headphones (6,3mm jack): 1x front, 1x rear
    • 2 speaker pairs front
    • 2 pairs of rear speakers


Technical Data

Amplifier

  • Continuous power 4-channel (at distortion):
    • 8 Ohm: 4x 16 W (RMS, 20 Hz - 20 kHz, 0.5 %), 4x 30 W (1 kHz).
    • 4 Ohm: 4x 17 W (RMS, 20 Hz - 20 kHz, 0.5 %), 4x 24 W (1 kHz)
  • Continuous power 2-channel (with distortion factor):
    • 8 Ohm: 2x 46 W (RMS, 20 Hz - 20 kHz, 0.5 %), 2x 50 W (1 kHz).
    • 4 Ohm:
  • Dynamic power:
    • 8 Ohm: 120 W
    • 4 Ohm: 160 W
  • Total harmonic distortion: < 0.5 %
  • Attenuation factor: 25 at 8 Ohm
  • Frequency response: 7 Hz - 70 kHz, -3 dB
  • Power bandwidth: 5 Hz - 40 kHz, -3 dB (4 ohms)
  • Signal-to-noise ratio:
    • Phono: 70 dB
    • High level: 90 dB
  • Tone control:
    • Bass: ± 11 dB at 50 Hz

Treble: ± 10 dB at 10 kHz

  • Loudness: + 11 dB at 50 Hz, + 3 dB at 10 kHz
  • Treble filter: - 10 dB at 7 kHz, 6 dB / octave
  • Subsonic:
  • Mute:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 530 - 1,605 kHz
  • Input sensitivity:
    • FM: 1.9µV
    • MW: 15µV
  • Frequency response: 20 - 13'000 Hz, ± 1 dB
  • Distortion factor:
    • FM, 1 kHz: < 0.3 % (mono), < 0.4 % (stereo)
  • Signal-to-noise ratio:
    • FM: 65 dB (mono), 60 dB (stereo)

MW: 55 dB

  • Channel separation: 40 dB (1kHz)
  • selectivity: 65 dB
  • Co-wave selection: 1.5 dB
  • Spurious wave selection:
    • FM: 80 dB

MW: 25 dB

  • Image frequency attenuation:
    • FM: 55 dB
    • MW: 40 dB
  • IF attenuation:
    • FM: 60 dB
    • MW: 40 dB
  • AM suppression: 50 dB


CD-4 demodulator section:

  • Input sensitivity: 2.5 mV
  • Input impedance: 100 kOhm
  • Distortion factor: 0,07
  • Signal-to-noise ratio: > 70 dB
  • Channel separation at 1 kHz:
    • Left to Right: 40 dB

Front to rear: 25 dB

  • Frequency range: 30 - 15'000 Hz


Special Features

  • 4 VU meters
    • Range switchable - 10 dB
  • Switch for 4-channel RM, SQ, Discrete / Stereo / Mono
  • CD-4 built-in
  • Bass and Tweeter control separately for Front / Rear


Remarks


Pictures

  • Image: Technics SA-8100 X

Technics SA-8100 X-1.jpg


  • Image: Technics SA-8100 X rear panel.

Technics SA-8100 X-3.jpg


Reviews

Links

  • External link to website "The Vintage Knob": [[1]]