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FDP Forum / Fender Amps: Vintage (before 1985) / .01 .02 Ceramic Capacitors Tremelo Circuit


USA / Sesame St.

Apr 22nd, 2017 10:53 AM   Edit   Profile  

Does anyone know the specs for the .01uF . 02uF ceramic disc caps, minimum voltage rating, 400V ? 10%? 20%?.

(This message was last edited by roadhog96 at 01:21 PM, Apr 22nd, 2017)



Apr 23rd, 2017 09:32 AM   Edit   Profile  

They're 10% minimum 400v. I've seen original rated 1Kv. I usually replace them with new 2Kv rated ceramic discs.


USA / Sesame St.

Apr 23rd, 2017 10:21 AM   Edit   Profile  

Slider313, thank you very much for that info. I just want to be sure before I ordered some. Much appreciated.


USA / Sesame St.

Apr 23rd, 2017 02:43 PM   Edit   Profile  

Ive got a chance to get some original NOS Circle D ceramic disk only I believe they are 20% not 10%. I dont know if it would be a good idea if they are 20%.

What do you think .02 +10% =.022 +.20% = .024? Would it make a big dofference with the tremolo?


Cincinnati, USA

Apr 25th, 2017 08:25 AM   Edit   Profile  

Some folks are increasing the value of those, like doubling one or two of them, to slow down the speed. The speed you want is a matter of taste and the tolerance isn't important.

Contributing Member

So. Cal. USA

Apr 25th, 2017 10:36 AM   Edit   Profile  


It also seems to depend on the amp. Some seem quite slow enough with stock values other not so much. I'm a fan of changing the middle .01 to a .02 (.022). The circuit is not particular about cap type. An Orange Drop or a Mallory will work just fine unless you are going for "the vintage look".

FDP Forum / Fender Amps: Vintage (before 1985) / .01 .02 Ceramic Capacitors Tremelo Circuit

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