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  1. Replies
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    So why not remove all the wiring and start fresh?

    So why not remove all the wiring and start fresh?
  2. Replies
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    Sometimes pretty good stuff too.

    Sometimes pretty good stuff too.
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    184

    Enzo, your mention of a center speaker reminded...

    Enzo, your mention of a center speaker reminded me of the Fischer 500c that I owned as a teenager. I just looked up it's schematic, and it has the 4 ohm tap grounded too. Thanks again. I'll be...
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    4
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    184

    Thanks guys. That's what I was thinking. It...

    Thanks guys. That's what I was thinking. It sounded pretty good to me the last time I used it, about 10 years ago. I'm re-capping it now. and found lots of advice online that I wasn't sure about.
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    184

    Eico ST70 OT feature or flaw?

    As you can see on the schem. below, the Eico ST70 has it's OT wired so that the 4ohm tap is grounded, not the com. tap. There are lots of online posts, web sites, etc. that say that is a mistake and...
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    357

    Ive had a couple of headsets develop intermittent...

    Ive had a couple of headsets develop intermittent breaks at the in line cable control. I don't use those so I just cut them out and re-splice.
    56201
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    357

    Chuck's right. The most likely fault is the...

    Chuck's right. The most likely fault is the wiring, not the pcb or any of it's components.
  8. Replies
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    418

    I use a small electric crock pot from a second...

    I use a small electric crock pot from a second hand store.
  9. Replies
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    508

    I admire your persistence. I think I would have...

    I admire your persistence. I think I would have told the owner that it couldn't be done, and I'd have to cut them off.
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    508

    So how did you get them off?

    So how did you get them off?
  11. Replies
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    LOL really? He probably meant 3 deg.

    LOL really?
    He probably meant 3 deg.
  12. Replies
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    You could probably use the stuff that they use to...

    You could probably use the stuff that they use to restore plastic automotive headlight lenses
  13. Replies
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    1,220

    Wow, that's pretty. Don't some Rick basses have...

    Wow, that's pretty. Don't some Rick basses have an indentation for the bridge to sit in? Also you can use a feeler gauge with the edge roughed up on a grinder for a nut file. It's not a great file,...
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    They compiled data during a psych experiment:tape:

    They compiled data during a psych experiment:tape:
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    I drain caps through an old analog multi meter. I...

    I drain caps through an old analog multi meter. I can set it on VDC and watch as the meter drops to 0
  16. Replies
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    Thanks Chuck. Yes jumpering that R gives plenty...

    Thanks Chuck. Yes jumpering that R gives plenty of trem. I'll try different R values there till I'm happy with the max. I'm not worried about the pot taper.
  17. Replies
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    549

    Ok, I couldn't keep Chuck in suspense any longer....

    Ok, I couldn't keep Chuck in suspense any longer. New rectifier has it back the way it was before I went EXTRA stupid.
  18. Replies
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    549

    Yes, I'm done working on it for tonight. Not sure...

    Yes, I'm done working on it for tonight. Not sure what to check when I get back to it. I do have a light bulb limiter.
  19. Replies
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    549

    My power has been out all day, and I still have a...

    My power has been out all day, and I still have a tree laying on my roof. Just prior to the tree falling I did something really embarrassingly stupid. I found this on another forum. "1/ Change the...
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    549

    I don't have a scope. Could I measure the LFO...

    I don't have a scope. Could I measure the LFO with an analogue multi meter?
  21. Replies
    22
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    549

    I wonder if it could be not enough resistance in...

    I wonder if it could be not enough resistance in my grid stoppers. The schematic shows 330k, mine are 1.7k. When I first built the amp, I left the grid stoppers off. They are not on the layout that I...
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    549

    Yeah, I had it wrong. R21 & R22 should be...

    Yeah, I had it wrong. R21 & R22 should be attached to the other end of the grid stops. I had them and the grid stops attached to pin 5. I've moved them now, with no change in the shallow tremolo....
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    I think I've found my error. I have R21 & R22...

    I think I've found my error. I have R21 & R22 soldered to pin 5 of the 6v6 tubes.
  24. Replies
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    549

    R33 is almost exactly 1 meg. I'm still getting...

    R33 is almost exactly 1 meg. I'm still getting very small DC without the tube, about +&- .04v
  25. Replies
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    549

    I just watched a utube video of a silvertone...

    I just watched a utube video of a silvertone 1472. Now I'm thinking I may have wired something wrong
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    549

    Thanks Enzo. this is a new build, so c14 should...

    Thanks Enzo. this is a new build, so c14 should be ok. there is DC on R33. It is swinging between +4v to -3v
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    deeper tremolo in silvertone?

    My tremolo is not very deep and is only audible in the last 1/3 of the depth pot. I replaced the 6au6 with another supposedly good tube, with no improvement. Would a change in r33 to a smaller value...
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    yes, it would seem so. Thanks for all the help,...

    yes, it would seem so. Thanks for all the help, guys.
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