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    Please post the original schematic or we donīt...

    Please post the original schematic or we donīt know what C** , R** ,etc. mean.

    That said, read this thread:
    https://music-electronics-forum.com/showthread.php?t=40026
    which tells you more than...
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    ???? ... the Bass cap is C2 . But this is not...

    ???? ... the Bass cap is C2 .

    But this is not a BF tone stack !!!!!!!
    Itīs a VOX/Gibson GA70/Fender Pro 6G5-6G7 one !!!!

    I suggest you do and check the VOX tone stack there compared to the...
  3. Probably Homeland Insecurity was hoping to find...

    Probably Homeland Insecurity was hoping to find little bags of whitish powder between face to face tied speakers.

    They werenīt sure about what X Ray screens showed because they could not focus...
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    Please open a new thread for your problem....

    Please open a new thread for your problem.
    Nobody reads 12 year old posts.
    Besides, your problem is a different one :)
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    Well, you may find minor differences, but main...

    Well, you may find minor differences, but main ones are visual ones (Tolex, grill cloth, etc.) and of course the silkscreened label.
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    Buy two chickens and sharpen a dagger, sacrifice...

    Buy two chickens and sharpen a dagger, sacrifice them and then, either make a ton of Italian sauce chicken stew to accompany your pasta or broil them after being covered with butter, smoked paprika,...
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    You already have an audio probe :surprised: :...

    You already have an audio probe :surprised: : simply select the distortion and its output is connected to a clean power amp and speaker.
    Which works fine because the clean channel sounds fine trough...
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    Ok, then I have to give you *terrible* news...

    Ok, then I have to give you *terrible* news :surprised:

    Everything checks normal, so your distortion stage, Q5, is not *broken* , but works as expected.

    That it puts out sh*t by the bucketful...
  9. That one is labelled Dagnall so itīs presumably...

    That one is labelled Dagnall so itīs presumably British made.
  10. Yes, thatīs the way to do it. I am amazed at...

    Yes, thatīs the way to do it.

    I am amazed at this one though.
  11. Ouch!!! Post/Mail/Freight/Courier/whatever are...

    Ouch!!!
    Post/Mail/Freight/Courier/whatever are *animals* ; no doubt about that, but it does not excuse Marshall, who should know about it (and which obviously does, given the zillion shippings they...
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    https://i0.wp.com/78.media.tumblr.com/4e90ae20626f...

    https://i0.wp.com/78.media.tumblr.com/4e90ae20626f034eae5a428b242b6e9c/tumblr_or7seu2lAg1rldhmro1_1280.jpg?w=605

    Many big names, from Peter Gabriel to Dokken to Canned Heat to Pantera used...
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    This is the Tina Turner / The Jackson era...

    This is the Tina Turner / The Jackson era Randall.
    Far from Metal, it was a "Twin type" amp, at least as far as features are concerned.
    They were used by many a Funky player, even Country guys...
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    Interesting, thanks. I guess it will fully...

    Interesting, thanks.

    I guess it will fully work only with the dedicated tapped EMG humbucker though.
  15. And since "an image is worth 1000 words" :D ...

    And since "an image is worth 1000 words" :D hereīs the schematic:

    55244

    You must also invert electrolytics; G means Ground/0V

    Extra: to simplify your life, that circuit will work fine with...
  16. Well, it MUST. So follow the path from Battery...

    Well, it MUST.
    So follow the path from Battery "-" to JK501 Switching pin to JK501 Ground pin (and there is where I suspect a failure) to R57 which apparently is a zero ohm resistor a.k.a. a wire...
  17. That, or there is no continuity to speaker. ...

    That, or there is no continuity to speaker.

    Check for continuity (meaning about 0 ohm) from Chipamp OUT to speaker + and from speaker - to power supply Ground, this with speaker disconnected..
    ...
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    Cool :thumbsup: That said, LM3876 fit there...

    Cool :thumbsup:

    That said, LM3876 fit there canīt go too far from the circuit shown in the datasheet application note so the latter should be a good reference.

    But we never heard about pinout...
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    Agree with "overnight" epoxy. Warm up the...

    Agree with "overnight" epoxy.

    Warm up the parts to join with a heat gun, apply tomating surfaces and let a little extrude as proof you filled voids , wipe excess with a Q Tip and then give the...
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    Yes, thay have a minimum fee which is proper for...

    Yes, thay have a minimum fee which is proper for large car/cycle parts as you mentioned but nonsense for small jobs.

    As an option, search for some supplier who can sell you some "electroless...
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    Oh, no big deal, just rotate it half turn and...

    Oh, no big deal, just rotate it half turn and weīre even :p
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    When you said BLUE and SILVER I expected this: ...

    When you said BLUE and SILVER I expected this:

    http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=33096&stc=1&d=1215048650
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    Have a closer look at yours, Jensen does not hide...

    Have a closer look at yours, Jensen does not hide its origin and clearly states "Made in Italy".

    In any case, why would it? ... Italians have the most advanced Speaker Industry in the World. (Just...
  24. Agree with above suggestions, and as I see it, in...

    Agree with above suggestions, and as I see it, in general with hollow plugs center pin is fixed contact and barrel is switching, for mechanical and practical reasons, itīs way more complex to do...
  25. Please donīt start replacing parts at random, you...

    Please donīt start replacing parts at random, you wonīt find the problem that way, except by sheer chance , and will damage PCB and parts.

    You need to troubleshoot the amplifier.

    Start checking...
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    Frame stamping and cutting dies are *expensive*...

    Frame stamping and cutting dies are *expensive* so typically a manufacturer orders a set and uses them for decades.
    So in general "each has his own" and in principle Celestion "should" use the same...
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    We are trying to paddle up the waterfall here, we...

    We are trying to paddle up the waterfall here, we have everything against: VERY high gain , very high impedance, buzzy/aggressive signal (distortion) full of harmonics, constricted space, etc.
    All...
  28. Thread: Washrburn

    by J M Fahey
    Replies
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    189

    Glad you solved it :)

    Glad you solved it :)
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