40%
(2 of 5) of all devices are in possession of the museum, 33.3%
(1 of 3) of "ROLAND" brand.
- Roland BR-2 Batterie 1,5 Volt, BR-2 Baby () 1987 - ??
- Roland BR-3 Batterie 1,5 Volt, BR-3 Mignon () 1987 - 1994
- Boss 006P 6F22-S-006P Carbon Zinc Battery 9...() 1990 - ?
- Boss 6AM6 ALKALINE Battery 9V Block () 1990 - 1993?
- Roland BTY-FR Akku-Pack für FR-5 bzw. FR-7 Akko...() 2004 - now
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Batteries