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  1. I'd lift the PT secondaries then put it on light...

    I'd lift the PT secondaries then put it on light bulb limiter, if it's still bright PT is toast.

    nosaj
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    I see 2 .1uf caps I'd investigate leading to the...

    I see 2 .1uf caps I'd investigate leading to the treble pot.

    nosaj
  3. Thread: Tube tester

    by nosaj
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    And only experience to gain. nosaj

    And only experience to gain.
    nosaj
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    So what are you waiting for an invitation? nosaj

    So what are you waiting for an invitation?
    nosaj
  5. Thread: Modern gear....

    by nosaj
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    Kiln dried solid pine is super light with a nice...

    Kiln dried solid pine is super light with a nice resonance.

    nosaj
  6. Thread: Modern gear....

    by nosaj
    Replies
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    Speaking of lightweight plywood. At our cabinet...

    Speaking of lightweight plywood. At our cabinet shop we get 1/2 luan birch plywood, 3/4 birch plywood and 3/4 Maple plywood.

    When it is delivered I've noticed it all used to come from China, when...
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    Leaving it on the light bulb I would hook up just...

    Leaving it on the light bulb I would hook up just the preamp and turn it on see what the bulb does. Then if ok hook up the poweramp with lightbulb still on if it's bright there. Test you output...
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    If they fail short......please finish sentence ...

    If they fail short......please finish sentence

    nosaj
  9. I suggest using an audio probe to trace where the...

    I suggest using an audio probe to trace where the signal gets bad. Could still be at the jacks, Pcb could've sustain'ed some damage due to "crappy Soldering"?
    http://diy-fever.com/misc/audio-probe/...
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    What schematic are you using? nosaj

    What schematic are you using?

    nosaj
  11. Tom i used this for my determination of the...

    Tom i used this for my determination of the circuit.https://www.diystompboxes.com/pedals/rstrand/rat/rat_versions.htm
    nosaj
  12. Then a certified letter would cover that for you...

    Then a certified letter would cover that for you provided it's the amp owners signature.
    nosaj
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    I dunno any reason to replace your seatbelts in a...

    I dunno any reason to replace your seatbelts in a car if they are cut out?

    i think they are to protect the OT, they may have done their job and someone didn't want to replace them. I use the...
  14. Thread: Tube tester

    by nosaj
    Replies
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    258

    Protect your investment an build a lightbulb...

    Protect your investment an build a lightbulb limiter before you apply power.

    nosaj
  15. TomCarlos link should work. Proco Vintage rat...

    TomCarlos link should work. Proco Vintage rat uses original circuit.

    Check the voltage for the power supply section in the link, then check for voltage on lm308 pin7.

    Then check this link for...
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    http://www.fmicassets.com/Damroot/Original/10002/R...

    http://www.fmicassets.com/Damroot/Original/10002/Rumble%20100%20V3%20Schematics-Diagrams.pdf
    nosaj

    Believe the SWR uses Icepower 50axs2.
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    I don't see anything in that zip file. nosaj ...

    I don't see anything in that zip file.

    nosaj

    Here is the Ice 200w-aschttps://elektrotanya.com/ice_power-200w-asc.pdf/download.html
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    Are you looking for the power amp portion or the...

    Are you looking for the power amp portion or the power supply? The Power amp is an ICEPower Module possibly with integrated PS.
    https://icepower.dk/products/amplifier-power-modules/asx-series/
    ...
  19. Thread: Modern gear....

    by nosaj
    Replies
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    593

    A Gerald Weber production it seems... nosaj

    A Gerald Weber production it seems...

    nosaj
  20. You might want to modify that because right and...

    You might want to modify that because right and cheap is what I would choose but I don't think that's reality.
    nosaj
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    Ba-Bamm......http://www.vintagekustom.com/literatu...

    Ba-Bamm......http://www.vintagekustom.com/literature/Tech/AmpList.html
    Don't look for your amp model ,

    Just find the boards pc5066 pc5067, pc5065
    That will cover the entire amplifier
    nosaj
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    I've not used the freeze spray method, but have...

    I've not used the freeze spray method, but have used the scope to find noisy opamps in a Kustom Casino, not fun or easy at that time since I was still learning but much easier now.
    nosaj
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    Using your meter withe the amp unplugged and 6l6...

    Using your meter withe the amp unplugged and 6l6 pulled do you have continuity between pins 3 and 4. If so you may have a carbon track on the board now. Sometimes taking a dremel you can cut it out....
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    i typically use only a 40 watt bulb as a go no go...

    i typically use only a 40 watt bulb as a go no go test . Once it 's a go I take it off limiter, when I wire in something new I use bulb to test.
    nosaj
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    yes unless the bulb blew, it the bulb works in a...

    yes unless the bulb blew, it the bulb works in a regular lamp, your limiter is wired wrong.

    See you can take a light bulb limiter and plug just a cord into it with the white and black wire twisted...
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    Well I can say the light buld limiter is not...

    Well I can say the light buld limiter is not working correctly. If it was the light bulb would have lit up bright.https://antiqueradio.org/dimbulb.htm
    nosaj
  27. Just for grins what happens if you only plug the...

    Just for grins what happens if you only plug the cable partially in?

    nosaj
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    Read this...

    Read this thread....https://music-electronics-forum.com/showthread.php?t=42158
    nosaj
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