| Company |
|
Hardware |
|
Software |
|
| Akai | | * | | |
| Alpine | | * | | |
| Asahi Electronics | | * | | |
| Bang & Olufsen | | * | | |
| CBS | | | | * |
| CBS/Sony | | | | * |
| Clarion | | * | | |
| Crown audio | | * | | |
| Cybernet-Electric | | * | | |
| Dong Won | | * | | |
| Dual | | * | | |
| Fujitsu-Ten | | * | | |
| Fulet | | * | | |
| Garrad | | * | | |
| General Corp. | | * | | |
| Gold Star | | * | | |
| Grundig | | * | | |
| Hitachi | | * | | |
| Marantz | | * | | |
| Matsushita | | * | | * |
| Mitsubishi | | * | | |
| Nakamichi Corp. | | * | | |
| New Nippon Electric | | * | | |
| Nimbus | | | | * |
| Nippon-Columbia | | * | | * |
| Nippon Gakki | | * | | |
| Onkyo | | * | | |
| Philips | | * | | |
| Pioneer | | | | * |
| PolyGram | | | | * |
| RCA | | | | * |
| Samsung | | * | | |
| Sansui | | * | | |
| Sanyo | | * | | * |
| Sharp Optonica | | * | | |
| Shin-Shirasuna | | * | | |
| Sonopress | | | | * |
| Sony | | * | | |
| Studer/Revox | | * | | |
| TEAC | | * | | |
| Thomson (incl. Normmende, Saba) | | * | | |
| Toolex Alpha | | | | * |
| Toshiba | | * | | |
| Toshiba-EMI | | | | * |
| Trio-Kenwood | | * | | |
|
|
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