Toshiba SB 420

Data[edit]

General

  • Manufacturer: Toshiba
  • Model: SB-420
  • Type: Integrated amplifier
  • Years of manufacture: 1976 - 1980
  • Made in: Japan
  • Color: Silver
  • Remote control: no
  • Power consumption: 340 W
  • Dimensions: 450 x 148 x 375 mm (WxHxD)
  • Weight: 11.5 kg
  • Original price approx.: 748 DM


Connections

  • Number of inputs:
    • Phono MM: 2.5 mV, 50 kOhm, 350 mV max.
    • Microphone: 4 mV, 20 kOhm
    • Tuner: 150 mV, 50 kOhm

Aux: 150 mV, 50 kOhm

    • Tape Play 1, 2: 150 mV, 50 kOhm

Tape Play DIN: 150 mV, 50 kOhm

    • Main In: 1 V, 50 kOhm
  • Number of outputs:
    • Tape Rec 1, 2: 150 mV

Tape Rec DIN: 30 mV Pre Out: 1 V

    • Headphones (6.3mm jack)
    • 2 pairs of speakers


Technical Data

  • Continuous power (at distortion factor):
    • 8 Ohm: 2x 42 W (RMS, 20 - 20'000 Hz, 0.3 %).
    • 4 Ohm: 2x 50 W
  • Dynamic power:
    • 8 Ohm:
    • 4 Ohm:
  • Total harmonic distortion: < 0.3 %
  • Attenuation factor: 25 (at 8 Ohm)
  • Frequency response:
    • Phono: 30 - 15'000 Hz, ± 0,2 dB
    • High level: 10 - 50'000 Hz (+ 0 dB, - 1 dB)

Signal-to-noise ratio:

    • Phono: 70 dB
    • High level: 90 dB
  • Tone control:
    • Bass: ± 10 dB at 100 Hz
      • Tilt frequencies: 200 Hz, 400 Hz

Treble: ± 10 dB at 10 kHz

      • Tilt frequencies: 2.5 kHz, 5 kHz
  • Loudness: + 8.5 dB at 100 Hz, + 3.5 dB at 10 kHz
  • Low Filter: - 6 dB / octave at 20 Hz
  • High Filter: - 6 dB / octave at 8 kHz
  • Mute: yes, - 10 dB, - 20 dB


Special Features

  • Microphone Mixer
  • Tape Dubbing


Remarks[edit]








Pictures[edit]

  • Picture: Toshiba Combi SB-420, ST-420

Toshiba SB-ST-420-1.jpg


  • Extract from brochure: Toshiba SB-420

Toshiba SB-420-Prospekt-1.jpg


Reports[edit]

Links[edit]

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