Stereo Amplifier SB-225

Toshiba Corporation; Tokyo

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  • Year
  • 1978 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 306725
    • alternative name: Shibaura Engineering Works
    • Brand: Tokyo Shibaura

 Technical Specifications

  • 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
  • 56 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Amplifier SB-225 - Toshiba Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 96 x 241 mm / 16.5 x 3.8 x 9.5 inch
  • Notes

  • Power output: 40Hz to 20kHz both channel driven
    28 watts per channel into 8Ω (stereo)
    30 watts per channel into 4Ω (stereo)
    Total harmonic distortion: 0.08% (at 1W power)
    Distortion Rated Power: 0.1%
    Damping factor: 25
    Power Band Width (IHF): 0.1% (10Hz to 30kHz)
    Phono RIAA equalisation: +/-0.5dB (30Hz to 15kHz)
    Tone control: bass +/- 8dB (100Hz), treble +/- 8dB (10kHz)
    Loudness control: +8dB (100Hz)
    Input sensitivity: 2.5mV (MM), 150mV (line)
    Signal to noise ratio: 72dB (MM), 92dB (line)
    Output: 150mV (line)
    Speaker load impedance: 4Ω to 16Ω

  • Net weight (2.2 lb = 1 kg)
  • 4.8 kg / 10 lb 9.2 oz (10.573 lb)
  • Author
  • Model page created by Bartosz Szwed. See "Data change" for further contributors.

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