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    Thought maybe the camera itself was too old,...

    Thought maybe the camera itself was too old, driver mismatch . Found a nice 50.00 camera. out of stock. MANY are out of stock, delivery not till end or after April! Found the camera on...
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    pandemic remote login hell.

    I hope you all are safe and well from all this whatever it is going around. Not much that hasn't been affected around the globe.


    Forced to work from home, thank god the bills are paid and...
  3. Thanks this is way cool. Always wanted to build...

    Thanks this is way cool. Always wanted to build one of the trainwreck clones. Its about to amplifier again!
  4. Cool, thanks G! Mind if I ask how did you...

    Cool, thanks G! Mind if I ask how did you phrase your search? I couldn't get anything.
  5. push pull amp that uses a 260 0 260 HV transformers?

    Hi All,
    An amp parts blog has a set of Heyboer transformers for sale for reasonable price. The PT has a 260-0-260 HV winding. Ive searched and searched but most push pull amp schematics...
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    Cool, thanks.

    Cool, thanks.
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    Way cool, thanks. yeah, Pedro, the giuy who...

    Way cool, thanks. yeah, Pedro, the giuy who posted thought it was an error also.

    Helmholtz, thanks, I thought it was a crude filter, but how did you calculate the knee? Its LC filter? L across...
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    Cap in early bassman layout

    Hi All

    One of the facebook tube amp groups, someone posted a layout clip to an early bassman ive never seen before. The question is what the 0.1uf cap between the plate on one tube and the HV...
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    Cool, thanks Alex.

    Cool, thanks Alex.
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    Marshal DSL401 heater bridge repair

    Hi All
    I hope you and family are safe from the covid thing going around. A friend sold a Marshall DSL401 to someone and it had the typical heater bridge blow out, Im fairly sure. The amp...
  11. Oh yea. will have the camera rolling!

    Oh yea. will have the camera rolling!
  12. Thanks, Catalin. So, this arcing really is a...

    Thanks, Catalin. So, this arcing really is a warmup issue. Once the CF is warmed up, and conducting, when the standby is turned off, even if the HV is higher than normal by 20-30v, it might not...
  13. Yes, sorry Enzo, the first thing I wrote was...

    Yes, sorry Enzo, the first thing I wrote was wrong. There's a post someplace that talks about the distance between the plate, grid, cathode, heater. I didn't find the image anymore, but it said ...
  14. OK thanks Enzo, but what causes the arcing?

    OK thanks Enzo, but what causes the arcing?
  15. Ooo, is this a strong argument *for* a standby...

    Ooo, is this a strong argument *for* a standby switch? I remember reading lots of posts, some argued that the standby switch is just not needed, then some comments about 'cathode stripping'. Is...
  16. I read and re-read NickB's thread, and this looks...

    I read and re-read NickB's thread, and this looks like a different issue. What I read about the JTM45's were arcing when the standby is flipped off. But NickB's post is about a very specific...
  17. Cool, thanks i thought I read that a while ago,...

    Cool, thanks i thought I read that a while ago, but couldn't find it. Geez Im still working on problems I had 2 years ago. :(
  18. Mod to prevent cathode follower arcing on startup

    Hi All,
    Getting back to finish my work in progress JTM45 circuit build. Ive read, and also heard first hand from friends, that with the standard JTM45 circuit, the cathode follower has a...
  19. Looks way to "pro" for a homemade. What do the...

    Looks way to "pro" for a homemade. What do the guts look like?
  20. such a sad topic. When we moved to...

    such a sad topic. When we moved to Massachusetts in 1997 there were a ton of electronic supply houses within driving distance. One two towns over had *everything*. Not the best prices, but if you...
  21. Thanks for the info Mozz. That was my fear. ...

    Thanks for the info Mozz. That was my fear. Shoulda, coulda, woulda bought a few back when I thought they were too pricey. Danged if I can find that web site now. These looked as good as the...
  22. reproduction fender amp chassis and front/back plates

    Hi All,
    For ages I had a link bookmarked to a small manufacturer, I am pretty sure it was australia, who makes the most awesome reproduction Fender blackface amp chassis and front/back...
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    That's me, can't leave well enough alone, thanks....

    That's me, can't leave well enough alone, thanks. I just didn't know if the caps got bad enough if it would blow something out that I definitely would not know how to debug. And I don't have a...
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    Good deal, thanks! Yes, I have repurposed some...

    Good deal, thanks! Yes, I have repurposed some old kitchen cabinets, and section of the old countertop for a workbench in the basement. The reason this scope has been sitting for 1 1/2 years is...
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    fixing up old lab equipment: TEK 7613

    I got a giveaway TEK 7613, friend had it in his closet since 1990 or so, and his wife made him toss it or give it away.
    Thought would be cool to learn (re-learn) to use for audio stuff.
    it...
  26. Our house power panel has detailed instructions...

    Our house power panel has detailed instructions on aluminum wiring the main service. They have the torque specified and dire warnings if you don't torque correctly. That said, I checked the two big...
  27. They would tell me "Please stay away from the...

    They would tell me "Please stay away from the amplifier, let the musicians play"
  28. Cool a mundo. I've got my lotto numbers all...

    Cool a mundo. I've got my lotto numbers all ready. If I win, gonna plunk down $3,800.00 and get one! As long as the lotto winnings pay for the new driveway, and bathroom tile job and ... and ......
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