Original vintage Roland JC-120 rotary knobs, carefully removed from a 1980s Jazz Chorus guitar amplifier. These are genuine period components — not reproductions — perfect for restoring the authenticity of your vintage amp setup.
Genuine Vintage: 1970s–80s era Roland JC-120 knobs – not modern aftermarket parts.
Unique Design: Includes the original pointer cut-out detail at the base, unlike current OEM replacements.
Perfect Match: Ideal for replacing lost or mismatched knobs while preserving your amp’s classic aesthetic.
Condition: Good condition with only minor wear consistent with age and use. Fully original and salvaged from a working JC-120. Please see photos for close-up details.
Circa: 1970s–1980s
Included: - 1x to 6x Original Roland JC-120 knobs (choose quantity if listed as a variation or message for multiples) - Suitable for direct replacement on Roland Jazz Chorus amps from the same era
Ideal For:
Collectors restoring original Roland gear
Players seeking to maintain period-correct appearance
Repairs and spares for JC-120 amps with missing knobs
