Yamaha Synthetizer PSS-21 electronics assembly removed from the cabinet. The printed circuit keypads are linked to the main electronics board with flat ribbon cables.The main pcb contains electronics for powersupply regulation, audio amplifier and all the electronics for the sound synthesis.
The range of musical instruments synthesis is amazing, violins, harp, piano, organ, flute, saxophones all available in a wide range of styles.
The speakers are a pair of 0.5 watts.
Note the care in covering the ribbon electrical cables with foam to prevent bass resonance within the cabinet.
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