Product Description
Optocoupler. Vibrato LDR for Fender Amps. Fix the dead LDR-style tremolo on your vintage Fender amps as well as others.
- Non-polarized optical side is indicated by silver dot and slightly longer leads
- Resistive side is indicated only by slightly shorter leads
- This neon lamp optocoupler is commonly referred to as a "roach"
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Product Reviews
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                OCTOCOUPLER VIBRATO LDR, FOR FENDER® AMPSworked well.. Restored the depth/intensity to my old blackface amp 
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                Vibrato ldrI recently acquired a 1973 Fender Deluxe Reverb Silverface amp and the vibrato was not working. I traced the fault to the ldr and ordered this unit. It was easy to install and works great! I can't really say how it compares to the original but the vibrato is nice and deep so I am very happy with it. These are reasonably priced getting hard to find in Canada so I would recommend ordering a few to keep as spares, just in case. 
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                Works greatInstalled into a silverface twin. Works perfectly! 
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                Cured the “ticking” problem in a Fender VibroKingSatisfied customer 
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                LDRWorked perfectly as replacement in Fender Twin Reverb (135W Master Volume version) Vibrato circuit. Great customer service on this order too! 
 
 
             
       
             
                  