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  1. Replies
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    I see the same connector is spec'd for Shure...

    I see the same connector is spec'd for Shure 545D. Good thing mine is still working! The ol' pistol-grip hi school stage mic has been my fave snare mic for decades - I stuck it back together numerous...
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    Good, that's what you'll be needing. You have...

    Good, that's what you'll be needing. You have shorts inside the OT between the windings and core or case. And that brown lead, looks like the winding burned open but there's probably some conduction...
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    3 things to look at, hmm, 1st, 2nd, & 3rd. In no...

    3 things to look at, hmm, 1st, 2nd, & 3rd. In no particular order.

    1: Output tube bias different from one tube to the other. Not by just a couple mA, but you'd start to hear a hum if it went...
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    I s'pose, thems the choices. Maybe just as well...

    I s'pose, thems the choices. Maybe just as well to replace the socket entirely. Whichever tube you use, it's an inverter/drive section for your power tubes. Having a cover over the tube won't make...
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    FWIW there are pin-scrambler adapters that let...

    FWIW there are pin-scrambler adapters that let you run a 6GH8 or 6U8 in a 7199 socket. Expect about $20. Antique/Tubesandmore is where I got mine. I get best results generally from 6GH8A, and find I...
  6. I wuz gonna say... Just finished working on an...

    I wuz gonna say... Just finished working on an Altec 1567 mixer that had a full brace of these mic/lin transformers, plus its output transformer. Of course its owner is holding on to ALL of them,...
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    I can't think of a better excuse to stock up. :p...

    I can't think of a better excuse to stock up. :p :D
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    Somewhere around 1990 Caig swapped DeOxit for...

    Somewhere around 1990 Caig swapped DeOxit for Cramolin, and simultaneously ditched the freon and subbed naptha solvent and I'm not sure what for propellant. Is DeOxit the same thing as Cramolin? Only...
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    Back in the days when Cramolin - DeOxit's...

    Back in the days when Cramolin - DeOxit's predecessor - was starting to be the hip thing to use among the audiophile (phool?) crowd one enthusiast suggested adding a bit of Cram Red to a jar of...
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    That is a unique looking weave. But I doubt...

    That is a unique looking weave. But I doubt Boss/Roland would sell you a slice. I get ordinary grill cloth typically from Antique/CE in Tempe AZ. Possibly you buy other things there so check the...
  11. Yes I've seen that too. I suspect it's just...

    Yes I've seen that too. I suspect it's just regular old grease that's oxidized with age. I find it in various bits of cars I've worked on too, most have nothing electrical about them. In old...
  12. DeOxit is typically supplied as a 5% spray, the...

    DeOxit is typically supplied as a 5% spray, the remainder being mostly naptha which is a darn good cleaning solvent. IF the DeOxit formula is still the same as Cramolin, its predecessor (available...
  13. The wiping action as you work the switch scrapes...

    The wiping action as you work the switch scrapes off the soft corrosion layer, as you can see in the photo. And if you're worried, apply a tiny dab of DeOxit to the terminals. Those switches if I'm...
  14. Naah, none of those, although I appreciate the...

    Naah, none of those, although I appreciate the vendor's humor! FWIW I do have a small stash of the now outlawed single use bags. They make excellent trash bin liners for my kitchen. I'll be in a...
  15. I'm with ya Nevets. I tell 'em "just put a...

    I'm with ya Nevets. I tell 'em "just put a sticker on it" and they'll do that at stores that sticker items too big to bag. Other stores don't use sticker but apparently trust that I'm not gonna...
  16. I can only hope mgmt has half the horse sense you...

    I can only hope mgmt has half the horse sense you have, they'll know the "recording artistes" are full of baloney expecting to have studio-quiet rooms to record in. And if the "artistes" complained...
  17. Having only one spring will make a reverb tank...

    Having only one spring will make a reverb tank sound awful, no matter what brand. The reverb sound needs more randomization, a single spring sounds cheap & horrible. I've been satisfied just fine...
  18. Yah, let'em go over to the airport runway and try...

    Yah, let'em go over to the airport runway and try to get 'em to hush up too. It's not as if there aren't a number of perfectly good studios within a short drive - whoever's doing this "recording"...
  19. That's been a problem ever since 1963. Dropping...

    That's been a problem ever since 1963. Dropping the return gain is a good option, but in the reissue amps a big pain because they're on pc boards. Using a split resistor pair in the plate circuit...
  20. That, or get your Epi at a bargain price,...

    That, or get your Epi at a bargain price, figuring in the eventual cost of having to replace the pickup & maybe the whole p/u & preamp system.

    Hmm, a third one within a week? As Arlo said, that's...
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    How about those ribbon cables that connect the...

    How about those ribbon cables that connect the main board to the output board, they all had to endure some flexing back 'n forth while you hauled the main board out for its mods. Those ribbons love...
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    If you want the best possible matching for your...

    If you want the best possible matching for your amp, the tester should have the same operation conditions as your amp, first & foremost B+. Followed by screen grid voltage and bias voltage. FWIW...
  23. Well if you get upwards of a grand, then it's...

    Well if you get upwards of a grand, then it's worth the trouble. Call me a dummy for not checking. I figured these days when you can get a 600W bass amp the size of a textbook for a couple hundred...
  24. Might be best off being your SVT "parts car." ...

    Might be best off being your SVT "parts car."

    Transformer plus a set of tubes plus your troubleshooting time plus more parts besides, he'd be lucky to break even if he tried to sell it.
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    I remember a couple of years ago, the "Carvin...

    I remember a couple of years ago, the "Carvin going out of business" story. At the same time, a number of "secret" Carvin schematics were suddenly made available, so that's one good thing.

    Never...
  26. What Helmholtz said ^^^. Also keep in mind, these...

    What Helmholtz said ^^^. Also keep in mind, these are thumb-size caps, not rinky-dink miniatures. They will need some sort of support when mounting them. A large cable clamp or a big glob of RTV,,...
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    Another situation I love to avoid is when gear...

    Another situation I love to avoid is when gear gets damaged in shipping. Even if it's just a little bit. I have one crustomer who has made a small fortune by clipping UPS for outrageous repair claims...
  28. Even though "theoretically" one can create a non...

    Even though "theoretically" one can create a non polar cap by running two electrolytics in series, "back to back," I find it a cheap and nasty solution. You can get hi quality film caps rated 250V -...
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