The Pioneer HPM-150 is a 4-way, 4-speaker, floor-standing bass-reflex system with tweeter and midrange level controls on the front panel. Produced in 1978. One of the best Pioneer speakers in those years.
Service and Renovation of Vintage Kenwood KR-7050 Receiver - High-End. Kenwood KR-7050 Analog stereo receiver, backlit analog power meters, lots of cool features including a nice phono/turntable section. Illuminated analog tuning and signal strength meter. The receiver after full revitalization.
I invite you to read the latest article about the service and renovation of the vintage SANSUI 9090DB receiver from 1977 with the serial number: 817031966