Optocoupler. Vibrato LDR for Fender Amps.
Optical side has longer leads. Resistive side has short leads.
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Restored full vibrato function in a '65 blackface Tremolux--and cured the 'tremolo ticking' problem, too. BTW, the end with the silver dot points toward the tube sockets.
The OEM circuit in my Traynor YGL3 was giving me troubles. The octocoupler was probably shot so I copied the Fender circuit and added the « bug ». Trem is stable as a rock since…
Good quality, looks good.
I bought this item to replace the bad roach in a '65 Fender Deluxe. It brought the tremolo right back to life and looks right at home on the vintage eyelet board. Great service from NextGen, too!
Excellent cost-effective solution for repairing the tremolo on a Fender amp. Product was reasonably price, great quality and arrived quickly. Highly recommended!