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  1. Not too far an aside, but how do you all do...

    Not too far an aside, but how do you all do voltage measurements on an PT that isn't hooked up yet, assuming you know what the primaries are? I mean, do you clamp the transformer down to the bench,...
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    Yeah, I like the Belton 8 pins. Solid. But...

    Yeah, I like the Belton 8 pins. Solid. But their 9 pin sockets at least the ones Ive gotten, seem a lot more flimsy.
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    Thanks again everyone. As far as I can tell,...

    Thanks again everyone. As far as I can tell, these really are brand new, just have not been stored in a perfect environment. I bet a warehouse with less than optimal humidity. I will grab a ...
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    Thanks! I have some deoxit but I think it has...

    Thanks! I have some deoxit but I think it has some lubricant in it, its for pots. Will look for the non lube stuff and buy a can.
  5. Thanks everyone. Yeah, remember that the amps...

    Thanks everyone. Yeah, remember that the amps distortion was not good tube distortion. Thought the clean tones were ok. But, 40+ year memories aren't very accurate. :) Don't see them very often,...
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    Awesome, thanks.

    Awesome, thanks.
  7. Found a 30-20-20-20 525v can cap on antique...

    Found a 30-20-20-20 525v can cap on antique electronic supply a little below 40 bucks. Someone on one of the MEF threads said something about the chokes going bad. Triode has one for 35 bucks. If...
  8. Thanks, Loud. That was the reason for looking at...

    Thanks, Loud. That was the reason for looking at this one, price. Its 750 with 2 x 10 cabinet. Most of the Reverb listings Ive seen were a lot higher. Ad says "not into negotiation", but .. meh,...
  9. Thanks Enzo, maybe just damp storage damage? ...

    Thanks Enzo, maybe just damp storage damage? If it plays well, and runs for half hour or so without emitting smoke, tending to want to buy it. Its couple of hours drive, so I have to arrange the...
  10. Opinions: 1968 or so Sunn Sceptre with cabinet for sale

    Hi All!
    Back in the day, I had a Sunn Sceptre head, loved the tone, sat in Dads attic until they moved and sadly it got tossed. I look on craigslist and reverb from time to time, they don't...
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    cleaning NOS tube socket contacts

    Hi All,
    I have a handful of really nice cinch NOS tube sockets for a work in progress. Not a scratch, and no hint of solder so Im sure they're "new" nos rather than removed from service. ...
  12. Thanks.

    Thanks.
  13. Of course, a lot of my problems could be that I...

    Of course, a lot of my problems could be that I don't know enough about the parts Im looking for. :)
  14. I believe you on that Helmholtz. In the 25 years...

    I believe you on that Helmholtz. In the 25 years Ive lived around the North east, Ive seen local shop after local shop close up and go out of business. When we moved here in the mid 1990's, the...
  15. Thanks Helmholtz. I will post values when I get...

    Thanks Helmholtz. I will post values when I get the amp wired up.
  16. Ive been trying to find these rectifiers on...

    Ive been trying to find these rectifiers on Mouser (From north america), can't get any of the part numbers to come up. Is there maybe another number? I tried BY *** . Thanks.


    Edit:
    These...
  17. At a previous company, once in a while we'd get a...

    At a previous company, once in a while we'd get a new laser from the German factory, plug it in, turn it on, and get a nice "BAMM". They usually worked just fine, but we swore they put a cap in...
  18. Hope this doesn't end up a dupe, I wrote up a...

    Hope this doesn't end up a dupe, I wrote up a reply, and got "do you want to leave this page", clicked yes, and the reply disappeared.

    Re the intended amps: so far,just this one guinea pig Supro...
  19. Thanks again Leo. I haven't had many amps,...

    Thanks again Leo. I haven't had many amps, maybe dozen or so max, and played through a handful of others, mostly junky amps in friends basements. There are some guitar tones I haven't heard from...
  20. Leo, my friend Steve's dad taught him the fine...

    Leo, my friend Steve's dad taught him the fine art of TV repair. This is late 60's through the 70's, when there were still many tube TV's in service. He has a standard joke, they have 2 x 100 foot...
  21. Enzo, ah, ok so, we have these few brands that...

    Enzo, ah, ok so, we have these few brands that make electrolytic capacitors for these old tube amp applications. They look about the same, and specs, don't know. They have voltage rating, don't...
  22. Yeah, same here: why "burn in" and not just play...

    Yeah, same here: why "burn in" and not just play through it?
  23. Found the extra resistor, which isn't an extra...

    Found the extra resistor, which isn't an extra resistor! The 100k dropping resistor and 4uf filter cap, for the preamp is in the preamp! Tough to reverse engineer which part goes with the...
  24. The 6420 circuit build is under way. The...

    The 6420 circuit build is under way. The heyboer PT arrived a while ago. Im using the Weatherford schematic that i understand is very authentic. So I got a few really good photos, gut shots, and...
  25. Mea culpa. (again). I had a teeny drill bit,...

    Mea culpa. (again). I had a teeny drill bit, the head was just small enough to fit into the punch mark. Must have broke that, because the slightly less than teeny bit I have now doesn't fit the...
  26. Now *that* is a cool design!

    Now *that* is a cool design!
  27. Yeah, put a huge amount of effort into getting...

    Yeah, put a huge amount of effort into getting some things drawn out (only a layout and not a schematic even), re bending and rotating components. But, for, say a turret board, we can place...
  28. Thanks Everyone!! Well, for me, I don't know...

    Thanks Everyone!!
    Well, for me, I don't know the physics well enough, so "better" means "it won't blow up in my face because I used new design caps that had a lower frammistan rating". :) ...
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