Technics SA-400

Data

General

  • Manufacturer: Technics
  • Model: SA-400 / SA-400K
  • Years of manufacture: 1978 - 1979
  • Made in: Japan
  • Color: Silver (SA-400), Brown (SA-400K)
  • Remote control: no
  • Power consumption: 450 W
  • Dimensions: 430 x 142 x 300 mm (WxHxD)
  • Weight: 8,2 kg
  • Original price approx.: 900 DM


Connections

  • Number of inputs:
    • Phono: 2.5 mV / 47 kOhm

Aux: 150 mV / 33 kOhm

    • Tape 1: 180 mV / 39 kOhm
    • Tape 2: 150 mV / 33 kOhm
    • Antenna FM (75/300 Ohm), AM
  • Number of outputs:
    • Tape 1: 150 mV

Tape 2: 30 mV

    • Headphones (6.3 mm jack, front)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power (1 kHz / 20-20,000 Hz)

8 Ohm: 2x 48 W / 2x 45 W 4 Ohm: 2x 52 W / 2x 45 W

  • Dynamic power
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: 0.04% (8 ohms, rated power, 20-20,000 Hz).
  • Attenuation factor:
  • Frequency Response:
    • Phono: RIAA ±0.2 dB

Aux: 20 - 20,000 Hz (±0.5 dB)

  • Signal-to-noise ratio: (IHF-A)
    • Phono: 78 dB

Aux: 95 dB

  • Stereo Channel Separation:
  • Tone control:
    • Bass: 50 Hz, ±10 dB

Treble: 10 kHz, ±10 dB

  • Loudness: yes
  • High Filter: yes
  • Low Filter (Subsonic): yes
  • Mute: no


Tuner

  • Reception: FM/MW
  • Frequencies:
    • FM: 88 - 108 MHz
    • MW: 530 - 1605 KHz
  • Input sensitivity:
    • FM: 1.9 µV
    • MW: 300 µV
  • Frequency response: 20 - 18,000 Hz (+ 0.2 dB, - 0.8 dB)
  • Distortion factor:
    • FM: 0.3% (stereo).
  • Signal-to-noise ratio:
    • FM: 56 dB (stereo), 70 dB (IHF-A).
  • Channel separation:
    • FM: 45 dB
  • Selectivity:
    • FM: 70 dB
    • MW: 30 dB
  • Equal wave selection:
    • FM: 1.2 dB
  • Spurious wave selection:
  • Image frequency attenuation:
    • FM: 70 dB

IF attenuation:

    • VHF: 90 dB
  • AM suppression: 55 dB


Special Features

  • Wooden housing
  • Stereo / Mono switch
  • Program source display with LED
  • FM muting


Remarks

  • Scale illumination is via incandescent bulbs with bayonet latches. The original bulbs were dipped in light blue lacquer. Colorless replacement bulbs are available here: BA9S, 6,3V 0,25A



Pictures

  • Image: Technics SA-400

Technics SA 400 front1.jpg


  • Image: Technics SA-400

Technics SA 400 front.jpg


  • Image: Technics SA-400

Technics SA 400 back.jpg


  • Excerpt from advertisement: Technics SA-400

Technics SA-400-Werbung-1.jpg


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