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

• Other models in the same series:
• Technics_SA-100L
• Technics_SA-200
• Technics_SA-300
• Technics_SA-400
• Technics_SA-500
• Technics_SA-600
• Technics_SA-700
• Technics_SA-800
• Technics_SA-1000

Pictures

• Image: Technics SA-400

• Image: Technics SA-400

• Image: Technics SA-400

• Excerpt from advertisement: Technics SA-400

Links

• Brochure of the SA-400 in English as pdf-file