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oldguide

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  1. Well Taken!! Just think of what the typo might have ended up like.
  2. Fascinating! Yet another entry into a long-standing argument, but this one is very misleading. This is a guitar circuit. That means he added the caps to the actual guitar head tone circuit THEN ran them through the amp. I am suspicious when he talks about a "Mallard" cap. It's Mullard. As folks have written about too much, it all depends on the circuit. First, he is using an Epiphone buitar (that has certain sound qualities). He says absolutely nothing about the pickup or the strings which are crucial. The amp is a Vox, (a tube amp) which also has certain characteristics. He says nothing about the speaker in the Vox, nor the settings he is using. I also would like to know about the wiring of his little "black box" that he uses for testing. Any or all of these could make a huge difference. The bottom line is that this is not a speaker circuit. Finally, all he does is play a few very quick chords, most in the same frequency range--no deep bass, no high treble, no vibrato, etc. That's like comparing a Ferarri to a Yugo by driving it at a constant 30 miles an hour for five seconds. What I found curious is that the caps he is using are relatively similar in terms of cost, etc. He is also running new Orange Drops against some caos he says he happened to have around. How long they have been there we don't know or under what conditions. There is a loooooong argument in guitar forums about using Orange Drops and this strikes me as a presentation set up to show Orange Drops are not that bad. Power amp people argue about teflon and paper in oil. As people in the AR forum have pointed out the caps in the same price range used in AR 3s do not seem to make a huge difference. I have neither the cash nor the insanity to try the expensive boutique caps in speakers so cannot comment on them. Plus, if I spend over $100 each on caps I better hear a difference. Rebuilding old amps, however, I have noticed that depending on where they are in a circuit caps can make a huge difference. German Mundorfs will run about 10X (about $30-40 on sale for a 1uf) more than an Orange Drop, but the difference is noticeable. But speaker circuits are not amp circuits or guitar circuits. Carl's thread in another part of this forum is about the best I have seen on cap comparisons because he actually has some really nice data. The funniest ones are the online cap tests that sound like wine tastings.
  3. Did you try Ace hardware, Checker AP, Pep Boys, Home Depot, etc. I have seen it in all three here in the Midwest. I agree with Roy the stuff you received over eBay is NOT Permatex. Thanks again to Roy and the other folks who wrote the guide for putting me on to this. What is it the old ad used to say, "Accept no substitutes."
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