Description

1976 Sansui RA-500 Reverberation Amplifier. Tested fully operational. Cosmetically graded NM- (Near Mint Minus) for mild to moderate wear (pictured). The RA-500 is a vintage audio enhancement component designed to add reverberation and depth to music playback and recording. The unit’s reverberation circuitry creates an echo-like effect. Features a far-out multicolored illuminated indicator.
Specifications
Year: 1975-77
Country: Japan
Rated output voltage: 300mV
Maximum input voltage: 3V
Harmonic distortion: less than 0.2%
Frequency response: 20 to 30,000Hz
Signal to noise ratio: 65dB
Reverberation time: 1.9 to 3.2 sec
Semiconductors: 11 x transistors, 3 x diodes
Dimensions: 320 x 162 x 265mm
Weight: 5.2kg
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