The Sansui RA-500 is not truly an amplifier but is definitely a very cool spring reverb chamber originally marketed to couple with your home stereo system. When on it displays a rainbow light array in the linticular plated front panel.
This unit is in great cosmetic shape and fully functional. We have modified it with a 1/4inch jack INPUT and wet OUTPUT.
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