Toshiba - PC-230D / ST-335 / SC-335 Hi-fi set - Multiple models

Toshiba SC-335, stereo power amplifier belonging to the famous hi-fi series of 1978, renowned for its iconic aluminum front panel dominated by two large illuminated analog VU meters for monitoring the watts delivered.

Below are the official technical specifications taken from the original service manual:

Power and Audio Performance Specifications
* Output Power: 40 Watts per channel into 8 Ω (RMS, stereo coupling)
* Total Harmonic Distortion (THD): 0.1% at rated power
* Frequency Response: 5 Hz – 80,000 Hz
* Damping Factor: 25 (at 8 Ω)
* Signal-to-Noise Ratio (S/N): 95 dB
* Speaker Load Impedance: Minimum 4 Ω (supports speakers from 4 to 16 Ω)

Front Panel and Features
* VU Meter: Two backlit needle indicators calibrated up to 100W.
* Meter Sensitivity Selector (Meter Range): Lever switch to set the VU meter scale to x1 (100W) or x0.05 (5W). Great for precisely visualizing needle movement even at low listening levels.
* Speaker Selector: Independent lever control to enable or disable the speaker line (Speakers On/Off).
* Power Switch: Mechanical pushbutton or lever for turning on.

Rear Connections
* Input: 1 stereo Line In input (RCA connectors for connection from the preamplifier).
* Output: Spring terminals for a pair of loudspeakers (Left/Right).

Physical and Construction Features
* Year of commercialization: 1978 – 1981
* Country of manufacture: Japan
* Dimensions: 420 x 95 x 260 mm
* Weight: approximately 4.5 kg