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Stereo Amplifier SB-420

ID = 299642

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Toshiba Corporation;: Stereo Amplifier SB-420 [Ampl/Mixer] ID = 2235433 1400x504

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For model Stereo Amplifier SB-420, Toshiba Corporation; Tokyo

Country:

Manufacturer / Brand:

alternative name

Shibaura Engineering Works

Brand

Tokyo Shibaura

Year: 1977 ?

Category: Audio Amplifier or -mixer

Semiconductors (the count is only for transistors)

Semiconductors present.

Main principle	Audio-Amplification
Wave bands	- without
Details	Hi-Fi equipment
Power type and voltage	Alternating Current supply (AC) / 220/240 Volt
Loudspeaker	- This model requires external speaker(s).
Power out	84 W (undistorted)
from Radiomuseum.org	Model: Stereo Amplifier SB-420 - Toshiba Corporation; Tokyo
Material	Metal case
Shape	Book-shelf unit.
Dimensions (WHD)	450 x 148 x 375 mm / 17.7 x 5.8 x 14.8 inch
Notes	Power output: 42 watts per channel into 8Ω (stereo) 50 watts per channel into 4Ω (stereo) Frequency response: 10Hz to 80kHz +0/-1dB Total harmonic distortion: 0.3% (at flat rated output) 0.05% (at 1W output) Damping factor: minimum 25 Muting: -10dB or -20dB Loudness control: 8.5dB (100Hz) 3.5dB (10kHz) Filter: LOW 20Hz (6dB/oct) High 8kHz (6dB/oct) Output band switch: 5~40kHz 8Ω IHF 0.3% both channel driven Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 70dB (MM), 90dB (line) Output: 150mV (line), 30mV (DIN), 1V (Pre out) Speaker load impedance: 4Ω to 16Ω
Net weight (2.2 lb = 1 kg)	11.5 kg / 25 lb 5.3 oz (25.33 lb)

Model page created by Bartosz Szwed. See "Data change" for further contributors.

All listed radios etc. from Toshiba Corporation; Tokyo
Here you find 867 models, 791 with images and 205 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.