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

roadhog96

USA / Sesame St.

Apr 22nd, 2017 10:53 AM   Edit   Profile   Print Topic   Search Topic

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)

slider313

NC

Apr 23rd, 2017 09:32 AM   Edit   Profile   Print Topic   Search Topic

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

roadhog96

USA / Sesame St.

Apr 23rd, 2017 10:21 AM   Edit   Profile   Print Topic   Search Topic

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

roadhog96

USA / Sesame St.

Apr 23rd, 2017 02:43 PM   Edit   Profile   Print Topic   Search Topic

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?

amphead4

Cincinnati, USA

Apr 25th, 2017 08:25 AM   Edit   Profile   Print Topic   Search Topic

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.

Hammond101
Contributing Member
**********

So. Cal. USA

Apr 25th, 2017 10:36 AM   Edit   Profile   Print Topic   Search Topic

^^^Yes^^^

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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