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  1. Replies
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    Right! I guess it could be noted that this is "as...

    Right! I guess it could be noted that this is "as it applies to this circuit" though. And the same with the power supply resistors. Those aren't just "dropping resistors", they're isolation resistors...
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    I've been there. Because I've designed one offs...

    I've been there. Because I've designed one offs for players a few times these new amps need to be thoroughly "vetted". And, of course, I've had to do the same with my repeated designs in development,...
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    Bet you wouldn't notice ;) But what does that...

    Bet you wouldn't notice ;)

    But what does that extra resistance due to either more windings or smaller wire do to the capacitance? Inductance? I think there must be audible differences. Even if...
  4. Good point!

    Good point!
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    I'm as well as anyone under the circumstances. So...

    I'm as well as anyone under the circumstances. So far I haven't read about any of the membership getting sick or testing positive. Thank you. We're here when you're ready to get back into it.
  6. +1 on the fetching price for used bench gear. But...

    +1 on the fetching price for used bench gear. But really... Used scopes, etc. are kind of stupid affordable compared to their original purchase price. How much could they go down? So instead of $150...
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    This^^^^^^^^^^^^^^^^^^^^^ I don't think I've...

    This^^^^^^^^^^^^^^^^^^^^^

    I don't think I've ever done a build that didn't obscure a couple of the OT mounting screws. In that case it's hard to have things "operational" before choosing, UNLESS,...
  8. Just going to put this out there... Any...

    Just going to put this out there...

    Any members in the area that can house some of this stuff on nevetslab's behalf so it can be reclaimed if/when he works out a better option?

    EDIT: Redundant...
  9. Can we assume you didn't have a guitar plugged...

    Can we assume you didn't have a guitar plugged into the amp and that the reverb cable is properly shielded?
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    Consider that following any voltage division in...

    Consider that following any voltage division in the tone stack whatever DC remains is on the following stages grid. Since preamp tubes typically bias under 2V it doesn't take much to throw it off.
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    Yep. That's what I find using the stacked books....

    Yep. That's what I find using the stacked books. I can stagger them a little to clear tubes and still have more secure support under the chassis.

    I've seen so many variable needs with amp chassis...
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    Me too. My personal book case is in my shop/bench...

    Me too. My personal book case is in my shop/bench room. We have three other book cases throughout the house but these are "my" books. Electronics, amps, music, mushrooms, fishing, etc. So I just grab...
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    The material I use is FR4. I bought a 4x4 sheet...

    The material I use is FR4. I bought a 4x4 sheet of the stuff and I still have most of it!!! It's amazing how far it goes when you're not making amps for a living ;) At this rate I may never run out...
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    I just looked up "phenolic board" and it's...

    I just looked up "phenolic board" and it's indicated that it's express purpose is moisture resistance and most is made from phenolic resin and cellulose fibers! Cellulose fibers in a substrate used...
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    So a good question might be: Who biased the one...

    So a good question might be: Who biased the one Dukoduko has hot? And why?
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    Well if there's any merit to it (???) I would...

    Well if there's any merit to it (???) I would think that a simpler method would be a knurled thumb wheel on the pickup mount itself. Honestly. I mean, is the rotating pickup the point here, or the...
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    I know. I just wanted to be clear about my...

    I know. I just wanted to be clear about my reasoning because there's a lot of info on line about running amps hot. Sometimes arbitrarily as would be the case for a 5150 if it's never pumped up to...
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    Well I only have one observation at this point....

    Well I only have one observation at this point. Maybe Enzo can chime in on the particulars if I'm wrong.

    "I" (personally) don't have a familiarity with these amps (though I did own one for about a...
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    Some history might be good. Has the amp been run...

    Some history might be good. Has the amp been run as a hacked combo without issue for some time? I got the impression it has.?.

    All of us always appreciate Enzo's familiarity with these amps. Best...
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    I'm ready to bet that there are some seasoned...

    I'm ready to bet that there are some seasoned posters here that knew this. I've never broken a socket pin off but I'm pretty handy and I might have figured it out looking at how the socket pins are...
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    1) Was it retubed and biased at a professional...

    1) Was it retubed and biased at a professional shop?

    2) Did you have it retubed because it lacked performance or sounded bad? And if yes, was anything else done to service the amp when it was...
  22. I may need to post a "hat" recipe in the 'What's...

    I may need to post a "hat" recipe in the 'What's for dinner' thread ;) But I doubt it.
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    I think it's important to qualify this statement...

    I think it's important to qualify this statement by specifying a power tube as the culprit.?. A preamp tube would be subject to enough resistance that it wouldn't stress the mains fuse.
  24. One hopes :thumbsup: But maybe just a Snickers...

    One hopes :thumbsup: But maybe just a Snickers bar :thumbsdown:


    EDIT: Not that there's anything wrong with a Snickers bar in and of itself ;)
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    I told a friend from Cali that I took up mushroom...

    I told a friend from Cali that I took up mushroom hunting here in the PNW. He asked me if I use a knife or a gun.?.
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    Kayak fishing is very popular here in the PNW as...

    Kayak fishing is very popular here in the PNW as well. Though the species are probably very different and a neoprene wet suit is a must here. I like to fish but I haven't gotten up the nerve to try...
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    Yep. That's what I remember about my VOM build....

    Yep. That's what I remember about my VOM build. It's remarkable how much audible LF and HF in the "right" ranges for guitar just leap out considering what a small OT it seems to be for the wattage....
  28. Second what Pedro is saying. Often missed when...

    Second what Pedro is saying. Often missed when people build stripped down versions of amps is the affect peripheral stages and mixing circuits have on the gain structures. It can be very important to...
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