Toshiba SA-304

Data[edit]

General

  • Manufacturer: Toshiba
  • Model: SA-304

Type: Quadraphonic Receiver

  • Years of manufacture: 1972 - 1976
  • Made in: Japan
  • Color: Front silver
  • Remote control: no
  • Power consumption: 100 W max.
  • Dimensions: 400 x 115 x 290 mm (WxHxD)
  • Weight: 8.2 kg
  • Original price approx.: 1'348 DM


Connections

  • Number of inputs:
    • Phono MM: 3 mV / 50 kOhm, max. 150 mV
    • AUX: 150 mV / 100 kOhm
    • Tape Play 1, 2: 150 mV / 100 kOhm

Tape Play 1 DIN: 150 mV / 100 kOhm

    • Antenna FM (75/300 Ohm), AM
  • Number of outputs:
    • Tape Rec 1: 150 mV, 10 kOhm
    • Tape Rec 1 DIN: 50 mV, 50 kOhm
    • 2x headphones (6.3 mm jack, front and rear)
    • 2 pairs of loudspeakers


Technical Data

Amplifier

  • Continuous power Quadro:
    • 8 Ohm: 4x 15 W

4 Ohm: 4x 20 W

  • Continuous power stereo:
    • 8 Ohm: 2x 30 W
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm: 70 W
    • 4 Ohm: 90 W
  • Total harmonic distortion: 0.8
  • Attenuation factor: 30 (8 Ohm)
  • Frequency response:
    • Phono RIAA: 20 - 20'000 Hz, ± 0.2 dB
    • High Level: 20 - 40'000 Hz, ± 3 dB

Signal to Noise Ratio:

    • Phono MM: 65 dB
    • AUX, Tape: 75 dB
  • Tone control:
    • Bass: + 8 dB, - 10 dB (100 Hz)

Treble: + 8 dB, - 10 dB (10 kHz)

  • Loudness:
  • High Filter:
  • Low Filter (Subsonic):
  • Muting:


Tuner

  • Reception: FM, MW
  • Frequencies:
    • FM: 87.5 - 108 MHz
    • MW: 525 - 1605 kHz
  • Frequency response: 30 - 15,000 Hz, ± 3 dB
  • Input sensitivity:
    • FM: 2.5 µV (IHF)

MW: 20 µV Distortion factor:

    • FM: 0.8 %
  • Signal-to-noise ratio:
    • FM: 60 dB (mono), 50 dB (stereo)
    • MW: 40 dB
  • Channel separation:
    • FM: > 35 dB (at 1 kHz).
  • Selectivity:
    • FM: 45 dB
    • MW: 30 dB
  • Equal wave selection:
    • FM: 1.3 dB
  • Spurious wave selection:
    • FM: 50 dB
  • Image frequency attenuation:
    • FM: 45 dB
    • MW: 35 dB

IF attenuation:

    • FM: 75 dB
    • MW: 30 dB
  • AM suppression: 40 dB


Special Features

  • Switchable for Quadro methods:
    • SQ-Logic
    • RM decoder
    • Discrete Quadro
  • 4 level controls for the 4 channels
  • 2/4 channel selector


Comments[edit]










Pictures[edit]

  • Image: Toshiba SA-304

Toshiba SA-304-1.jpg


  • Excerpt from advertisement: Toshiba SA-304, SA-400 C, SA-500

Toshiba SA-304-400 C-500-Prospekt-2.jpg


Reports[edit]

  • Report at "Hifi-Museum" [=quadro]


Links[edit]