※Maintenance has been carried out, but there is some residue left. The rare 70's Pioneer control amp has a slightly narrow range, but the glossy way it rides feels like a pioneer. It has few quirks and seems to be domestically produced, and I like the slightly serious sound construction. It's a must-see, especially for those with an SM-850 power amplifier of the same age. There are stains on the exterior as a whole (Murakoshi Yoichi)
Maintenance information: 2022.11.26 maintenance (OUTPUT/TONE/MODE/MUTING/LOUDNESS/TAPEMONITOR Lever SW disassembly contact polishing cleaning grease application, FUNCTION rotation switch disassembly polishing cleaning grease application, and 12 other TONE circuit capacitors replaced.)
Accessories: none
Main specifications: W350 x H138 x D329 mm 6.0 kg
The battery (replacement) has been replaced! AC & DC operation is possible. Technics low profile control amplifier. It is an impressive one with little habit and a straightforward and natural tone. It is a thin, space-saving model and is also recommended as a separate introductory machine. The exterior has dullness and thread. Serial OA9FC02378 (Eiji Tamura)
Maintenance information: 2022.8.5 Maintenance completed (battery NG cannot be charged, connector and contact replacement, battery replacement (replacement) solder correction, switch cleaning, charging operation, AC and DC (Operation check, audio check for each input and output, interior and exterior cleaning)
Accessories: power cord
Main specifications: PHONO input (MM/MC) equipped output 2 systems W430 × H70 × D307 mm 3.3 kg