Pioneer SX-1980

Pioneer SX-1980 recently serviced in exceptional condition. Listed as a '9' I'd rather be conservative due to anything less than perfect but essentially this unit is very close to flawless. Everything works and sounds spectacular. Anyone serious knows plenty about this unit so if interested don't hesitate to reach out. Unquestionably one of the finest examples given age of this receiver. A colleague and audiophile sent this in to service in So Cal so I have included invoice of work. The power supply unit was rebuilt and updated with a better transistor which handles higher heat. This is a known failure from original design in 1978. Tuner was also calibrated to factory spec.