DIATONE DS-10000 was the 40th Anniversary model of the manufacturer released in 1985 (DIATONE is the high-end audio divison of MITSUBISHI)
The YAMAHA NSX-10000 was released in 1987 with the development of the concepts "no distortion, high transients" and "no noise, high resolution" as part of the Monumental Products 10000 Series to commemorate the 100th anniversary of Yamaha’s founding.
The YAMAHA CDX-10000 was released in 1987 as part of the Monumental Products Yamaha 10000 Series to commemorate the 100th anniversary of Yamaha’s founding. Forming a four-part system together with the MX-10000 Power Amplifier, the CX-10000 Control Amplifier and the HX-10000 Phono Equalizer, it was intended to handle the demands of all media past, present and future.
Technics SB-10000 3 way Linear Phase Speaker System - released 1977
Technics SU-10000 stereo control amplifier and Technics SE-1000 power amplifier from 1972.
FOSTEX FX 10000 3 way 4 speaker system - Extra Efficiency
SANSUI AU-10000 stereo integrated amplifier 1977
Last but not least there was the National NV-F10000 VHS hi-fi video system.
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