Teleton A-300 Solid-State Stereo Amplifier, 1975, made in Japan

Link: hifiengine | radiomuseum | service info (low res) | Audio Products

Оконечный усилитель собран на: 4x Toshiba D235 (уже поменяны на MJE 3055T).

Specifications
Power output: 12 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 30kHz
Total harmonic distortion: 0.5%
Input sensitivity: 3mV (MM), 250mV (ceramic), 200mV (DIN)
Output: 50mV (DIN)
Speaker load impedance: 8Ω (minimum)
Semiconductors: 18 x transistors, 6 x diodes
Dimensions: 422 x 98 x 230mm
Weight: 4kg
Year: 1975

Итак: меняем подстроечные резисторы 6 штук и оконечные Toshiba на MJE...