• Country
• Japan

• Manufacturer / Brand
• Toshiba Corporation; Tokyo

• Year
• 1977 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 210922

• • alternative name: Shibaura Engineering Works
  • Brand: Tokyo Shibaura

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 60 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Premain Amplifier Model SB-230 - Toshiba Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 420 x 146 x 257 mm / 16.5 x 5.7 x 10.1 inch

• Notes

• Stereo Integrated Amplifier, 2x VU-Meters, Bass-, Treble- and Loudness-Controls, Tape Monitor.
  Inputs: Phono, Tuner.
  Power Consumption 270 watts.
  Design: Silver metallic.

  Phono input - 2,5mV /  47 kOhm

  Tuner input - 150mV / 47 kOhm

  Tape input - 150mV / 47 kOhm

  MIC input - 2mV / 47 kOhm

  Tape REC - 150mV

  RIAA - +/-2dB

  Bass adjust 100 Hz +/- 8dB

  Treble adjust 10kHz +/- 8dB

  Frequency  40Hz-20000Hz

  Power Music 2x 35W RMS at 8Ohm

  Continuous power music 2x 30W RMS at 8Ohm

  PCB Board AUREX

• Net weight (2.2 lb = 1 kg)
• 5.2 kg / 11 lb 7.3 oz (11.454 lb)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 990 models, 914 with images and 213 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Toshiba Corporation; Tokyo