Technics SA-8000X

Data

General

• Manufacturer: Technics
• Model: SA-8000X

Type: Quadraphonic Receiver

• Years of manufacture: 1976 - 1977
• Made in: Japan
• Color: brushed aluminum front, wooden cabinet
• Remote control: no
• Power consumption: 290 W max.
• Dimensions: 495 x 160 x 400 mm (WxHxD)
• Weight: 13.5 kg
• Original price approx.: 2'295 DM

Connections

• Number of inputs:
  • Phono 1, 2: 2 mV, 50 kOhm, max. 330 mV
  • Aux 2-channel: 150 mV, 60 kOhm
  • Aux 4-channel: 150 mV, 60 kOhm
  • Tape Play 1, 2, 2-channel: 150 mV, 60 kOhm
  • Tape Play DIN, 2-channel: 150 mV, 60 kOhm
  • Tape Play 1, 2, 4-channel: 150 mV, 60 kOhm
  • Tape Play DIN, 4-channel: 150 mV, 60 kOhm
  • Discrete 4-channel: 150 mV, 60 kOhm
  • Main In:
  • Antenna (FM: 75, 300 Ohm, AM)
  • Microphone (6.3mm jack).
• Number of outputs:
  • Tape Rec 1, 2: 150 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 13 W (RMS, 20 Hz - 20 kHz, 0.5 %), 4x 22 W (1 kHz).
  • 4 Ohm: 4x 18 W (RMS, 20 Hz - 20 kHz, 0.5 %), 4x 30 W (1 kHz)
• Continuous power 2-channel (with distortion factor):
  • 8 Ohm: 2x 36 W (RMS, 20 Hz - 20 kHz, 0.5 %), 2x 42 W (1 kHz)
  • 4 Ohm: 2x 57 W
• Dynamic power:
  • 8 Ohm:
  • 4 Ohm: 160 W
• Total harmonic distortion: < 0.5 %
• Attenuation factor: 30 at 8 Ohm
• Frequency response: 10 Hz - 50 kHz, + 0 dB, - 3 dB
• Power bandwidth: 5 Hz - 40 kHz, -3 dB (4 ohms)
• Signal-to-noise ratio:
  • Phono: 79 dB
  • High level: 90 dB
• Tone control:
  • Bass: ± 13 dB at 50 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: + 10 dB at 50 Hz, + 3 dB at 10 kHz
• Treble filter: - 10 dB at 10 kHz, 6 dB / octave
• Subsonic: - 10 dB at 50 Hz, 6 dB / octave
• Mute: yes, - 20 db
• AFD control (matrix)
  • WIDTH: Alpha = 0 - 1
  • DEPTH: Beta = 0 - 1
  • Phase behind channel, difference:
    • 90 degrees 90 degrees
    • 0 degrees 0 degrees
    • 180 degrees 180 degrees
  • AFD control (separate):
    • WIDTH: Gamma = 0 - 1
    • DEPTH: Gamma = 0 - 1

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 530 - 1,605 kHz
• Input sensitivity:
  • FM: 1.9µV
  • MW: 20µV
• 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: 1.8 dB
• Spurious wave selection:
  • FM: 80 dB

MW: 35 dB

• Image frequency attenuation:
  • FM: 55 dB
  • MW:
• IF attenuation:
  • VHF: 60 dB
  • MW:
• 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

• Switch 4-channel AFD control system, discrete / stereo / mono
• Bass and treble control separately for front / rear
• Microphone mixer
• Acoustic field influencer:
  • Width, adjustable via sliders

Depth, adjustable via sliders

Remarks

• Other models in the same series:
• Technics SA-5200
• Technics SA-5400X
• Technics SA-5600X
• Technics SA-6000X
• Technics SA-6400X
• Technics SA-6700X
• Technics SA-6800X
• Technics SA-7300X
• Technics SA-8000X
• Technics SA-8100X
• Technics SA-8500X

Pictures

• Image: Technics SA-8000 X

• Excerpt from advertisement: Technics SA-8000 X

Reports

• Report at "Hifi-Museum" [=quadro]