Not hard to explain at all. You posted a diagram from Premier Guitar, not Fender. Different sources use different diagrams. But Fender uses 3300 pF at least some of the time, as evidenced by the stock Eldred wiring Esquire that I own. Many online say 4700 pF for Eldred...including Premier Guitar, which claims that Eldred himself chooses that value...and that's fine too. But IME it isn't actually what Fender uses, and Premier Guitar often posts information and diagrams that are flat-out wrong.
Different cap values are fine, but the Eldred mod only sounds like the Eldred mod with low valued caps, not caps in the range that you would use on a typical tone control. You want to mess around with caps that have a "3" as the last number of the numerical code. Typical tone control caps end with a "2." Use those on the Eldred mod, and all you get is the equivalent of running a typical tone control on 0.
Fender does not post, TMK, a diagram of their Custom Shop Esquire Eldred wiring. So everything we read about it online is filtered through additional parties...and hopefully we all know what that does to the integrity of information. But I can tell you that my '02 CS Esquire, which I have owned since new, and is still stock, uses a 3300 pF cap.
Bottom line: Try caps that have a "3" as the last digit of the numerical code, and you will get the intended Eldred effect. The exact value to use is a personal choice. IME, you can't go too wrong within the range of 1000 pF to 4700 pF.
Different cap values are fine, but the Eldred mod only sounds like the Eldred mod with low valued caps, not caps in the range that you would use on a typical tone control. You want to mess around with caps that have a "3" as the last number of the numerical code. Typical tone control caps end with a "2." Use those on the Eldred mod, and all you get is the equivalent of running a typical tone control on 0.
Fender does not post, TMK, a diagram of their Custom Shop Esquire Eldred wiring. So everything we read about it online is filtered through additional parties...and hopefully we all know what that does to the integrity of information. But I can tell you that my '02 CS Esquire, which I have owned since new, and is still stock, uses a 3300 pF cap.
Bottom line: Try caps that have a "3" as the last digit of the numerical code, and you will get the intended Eldred effect. The exact value to use is a personal choice. IME, you can't go too wrong within the range of 1000 pF to 4700 pF.
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