Number | Date | Country | Kind |
---|---|---|---|
4-052549 | Mar 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4885782 | Eberbach | Dec 1989 |
Entry |
---|
"1992 Yamaha Professional Audio Equipments", Yamaha Corporation, Jun. 1992. |
"Quested Monitor", User's list 1988, Soundcraft Japan Ltd. |