od1 pedal OD-1 Over Drive (Silver Screw/Japan/RC3403ADB/#6600)

od1 pedal OD-1 Over Drive (Silver Screw/Japan/RC3403ADB/#6600)This is a rare, very early production OD 1 featuring the Raytheon 3403 quad op amp!! Early OD 1 models featured a quad op amp (a module containing four op amps). While the RC3403ADB was used in the very earliest models and the NEC PC4741C was used in units from lot #8400 to #8800, this unit features the former. The LED indicator is dedicated solely to the battery checker, differing from the specifications of the current BOSS Effector. Units equipped

This is a rare, very early-production OD-1 featuring the Raytheon 3403 quad op-amp!!

Early OD-1 models featured a quad op-amp (a module containing four op-amps). While the RC3403ADB was used in the very earliest models and the NEC μPC4741C was used in units from lot #8400 to #8800, this unit features the former.The LED indicator is dedicated solely to the battery checker, differing from the specifications of the current BOSS Effector.Units equipped with the RC3403ADB are characterized by a somewhat tight low end, extended highs, and a bright, crunchy sound. This is a rare piece that allows you to experience the original sound of the legendary OD-1!! The serial number of this unit is #6600, and it is believed to have been manufactured in January 1978.

PCB: 052-281? (probably B)
OP-IC: RC3403ADB (#RAYP7733)
External spring-loaded transparent switch
LED: Battery checker type
ACA specification
MADE IN JAPAN
*Internal insulating foam missing; rubber bushings on coin screws replaced

Year: 1978

Accessories: None

Contact: Sano

*The warranty periodis one month from the date of purchase.

Click here for our column "The Beginning of a Legend: A Thorough Analysis of the Charm of the 'BOSS OD-1 "Silver Screw" Era" → https://tcgakki.com/pages/magazines-boss-od1

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