Switch - Vibrato LDR, for Fender® Amps

Switch - Vibrato LDR, for Fender® Amps

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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
Item ID:
Replacement Type:
Product Measurements by Type
Item Length1.295 in.
Item Width0.347 in.
Packaging Information
Packaging Dimensions1.3 in. × 0.4 in. × 0.4 in.
Weight (Packaging)0.003 lbs.

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Specifications, Files, and Documents

GIF: Specification Sheet Specification Sheet9.26 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on April 6th, 2018.
April 6th, 2018
Staff Member
This part does appear to be the equivalent of the Fender part 16282 from all of the info we could find.
Asked by Anonymous on August 15th, 2018.
August 15th, 2018
Staff Member
This optocoupler can be safely installed with the silver dot face up or face down. The dot represents the non-polarized side, so pay close attention when installing this part. Installing with the silver dot in the wrong direction can result in damage to your amp.
Asked by Anonymous on April 18th, 2022.
April 19th, 2022
Staff Member
Yes, this is compatible with the Fender '65 Deluxe Reverb Reissue.

Product Reviews

4.94 out of 5 based on 18 reviews
Darrell S. - December 18th, 2022
5 out of 5

This is the second LDR that I have purchased from Antique Electronic Supply and it, again did not disappoint. This is the best and only solution that I have found to replace a defective original Fender LDR/neon light combination used in Fender's vibrato circuit. These work great and I have noticed that this LDR has both ends of the black heat shrink encapsulation to prevent external light as well as any contaminants from entering.

JohnL. - October 8th, 2020
5 out of 5

Great part, larger than original in my DRRI but works fine. I still had the ticking after I installed it. After reading a lot of posts on various websites I came to the conclusion it could be my wires. I opened up the amp and removed the guts so I could hear the tick and buzz as I probed with a wooden chop stick. I moved each of the blue wires on the different tubes and found the culprit and the ticking stopped. Hope this helps someone. Be very careful if you try it.

JohnL. - September 30th, 2020
5 out of 5

I put one of these in my 65 Deluxe Reverb reissue. It quieted it down considerably. I think I'll also add the .01 mfd cap for good measure and be done with it (as per The official Fender solution (Service Bulletin number 9). I am glad I went ahead with this. I had repaired a few vintage Fenders but I wanted to try it on the reissue and it worked for me. I hadn't seen anyone comment on this so I wanted to share with anyone interested.

powdermnky007otmail.com - July 30th, 2020
5 out of 5

Worked great and fixed my trem issues.

Paul - December 1st, 2019
5 out of 5

Installed easily in my silver face Vibrolux Reverb. Fixed the weak vibrato and now I have a strong throb like new.

Olav Lindkjølen - October 25th, 2018
5 out of 5

Perfect, fits like a charm. With DHL express, it was not too expensive in shipping to Norway, and the 2010 Fender Deluxe Reverb Reissue 65 vibrato works like a charm again ??

Faceman - June 5th, 2018
5 out of 5

Worked great. Easy to install and got rid of the Silverface "tick"

Dan the Man - April 7th, 2018
5 out of 5

Got this to restore a ‘69 Plush P1000S which pretty much a direct rip off of an AB763 Twin Reverb. This component restores the tremolo to rich, lush swampy throb. It sounds great and was an easy fix.

shooter dug - July 9th, 2017
5 out of 5

My 67 Deluxe Reverb vibrato had slowly gone out over the years but I procrastinated about fixing it. Finally I ordered this LDR and within 20 minutes the amp was running perfectly, vibrato included. I had forgotten how rich the sound was on this amp prior to the and finally I can play songs l crimson and clover again. Lol. It is an easy fix. After removing the old ine simply solder in the silver dot side towards the 12ax7 and the other side towards the resistors and your in.....that simple

B.B. - March 30th, 2016
5 out of 5

Received vibrato LDR quickly and installed in a vintage 1965 Deluxe Reverb.Fixed non- working vibrato to new vibrato status.Excellent quality part and quick delivery makes for pleasant transaction.Recommend for repair of vintage amps with LDR vibrato, especially fender amps.AES comes thru with excellent marks!