Hutton Posted January 27, 2009 Share Posted January 27, 2009 I have a 1983 American Standard Precision. I thought that the tone knob wasn't working and so just eq'd the amp to get different tones. However, recently I tried the tone knob again and did notice a very slight change in tone. So it was off with the scratchplate to have a look. The capacitor is rectangular and orangey-red in colour. It has has a value stamped on it of .022-200DC. This confuses me as I would have expected .05. I don't think by the way the 'plate came off, and the condition under the 'plate, that anyone has been in there before. Does anyone know if Fender ever fitted capacitors of this value to their basses. I'm wondering if a guitar capacitor found it's way into the bass bin or the employee fitted the wrong one. Whatever is the case I'm going to fit an .05 cap and see what happens unless anyone here can throw any light on my problem. Quote Link to comment Share on other sites More sharing options...
Delberthot Posted January 27, 2009 Share Posted January 27, 2009 They normally are 0.05. i have seen 0.047 before. I sometimes use 0.1 paper in oil caps as used in the original P basses. I think they've been 0.05 since the end of the 60s Quote Link to comment Share on other sites More sharing options...
Hutton Posted January 27, 2009 Author Share Posted January 27, 2009 Many thanks for the reply. Quote Link to comment Share on other sites More sharing options...
Al Heeley Posted January 27, 2009 Share Posted January 27, 2009 0.022 and 0.047uF are the commonest cap values for guitars and basses alike - depending normally on if your pickups are single coil or humbucking. Some people say these values are too high and cut off too much of the treble - I don't know many people whose tone control is used at much lower than 1/2 closed. By putting in a smaller value cap then less treble is cut as the tone is turned down. [Jeez - hope I got that the right way round! Someone please correct me if I'm wrong!] Quote Link to comment Share on other sites More sharing options...
bremen Posted January 27, 2009 Share Posted January 27, 2009 [quote name='Al Heeley' post='392886' date='Jan 27 2009, 04:34 PM']0.022 and 0.047uF are the commonest cap values for guitars and basses alike - depending normally on if your pickups are single coil or humbucking. Some people say these values are too high and cut off too much of the treble - I don't know many people whose tone control is used at much lower than 1/2 closed. By putting in a smaller value cap then less treble is cut as the tone is turned down. [Jeez - hope I got that the right way round! Someone please correct me if I'm wrong!][/quote] Yeah, that makes sense. Humbuckers have higher impedance than single-coils. So a humbucker would (generally) go with a 500k pot and a 0.022uF cap, single-coil with 220k and 0.047uF. Quote Link to comment Share on other sites More sharing options...
mrcrow Posted January 27, 2009 Share Posted January 27, 2009 every bass i have had used 250K pots and 0.047 caps i have experimented with 0.02 and up..or down..to 0.100 the basses were rickenbacker manson fender eventually i found passive tone cut not a good option and so the cap became redundant using eq offboard either on the bddi or the combo Quote Link to comment Share on other sites More sharing options...
Hutton Posted January 27, 2009 Author Share Posted January 27, 2009 Thanks for the help chaps! Quote Link to comment Share on other sites More sharing options...
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