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New realizations or "what I think I learned today"
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[QUOTE="Planobilly, post: 5650883, member: 583423"] Hi Guys, As you all know, I have been trying to learn to build excellent guitar amps. Most of my failures have been related to various amounts of hum/hiss and noises in the amps. The Fender style Deluxe Reverb AB763 circuit I built is finally working just about perfect now. I had a lot of advice from many sources, people, books, the internet. I listen to all that and never got to where I was satisfied with the results. At the end of the day I implemented my own ideas concerning grounding schemes which finally worked. With all the controls turned up all the way you can only tell if the amp is on by looking at the pilot light. Zero noise, zero hum/hiss. I now have clean clear undistorted sound when I want it and both preamp and output tube distortion when I want it. Man what a pain in the butt learning curve. To get to that point, I had to disregard the type of components and methods used in the old amps of the sixties and stop repeating the mistakes of a bygone era. I had to stop listening to the nonsense that so many guitar players are so dearly attached too and I include myself in that group...lol Electronics as far as guitar amps go is extremely unforgiving. I guess all electronics is. Everything has to be dead on. One bad solder joint, one out of value component, one wire 10mm to close to the next and the whole thing just does not function correctly. I am beginning to think the best thing is to learn everything you can from every source there is and take all information with a grain of salt. Don't assume that the world famous designer is always correct or not. Don't assume anything. Use your own brain and work like hell till you get the results you are looking for. For the last few weeks I have had some significant self doubts about my ability to learn this stuff. If I live long enough I may just get there...lol Cheers, Billy [/QUOTE]
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