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Thread: Curtis Stetka's TRRI Custom 15 (with phtots!)

  1. 07-05-2009, 06:20 PM #81
    NTBluesGuitar
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Quick update...the Twin should be in Curtis's hands sometime Tuesday.

    Took a bit of time finding a nasty ground loop and solving the lack of tremolo. It's all in tip-top shape now.

    I arranged a play test with a colleague in the College of Music who plays a nice '77 SF Twin, and his office is an old recording room for the College, so we were able to crank the Twins and keep out of the line of fire. We started with the SF Twin to get the volume in our heads, then we hooked Curtis's amp to his 2x12 cab.

    Curtis's Twin was on 7 and was very full (and loud!). Hearing my friend play his '70s Strat and my Squier Tele through it was just great! Classic sound...a Twin naturally breaking up! FUN!

    Now it's up to Curtis to report assuming UPS didn't drop it out of a plane on the way there.
    "...pray do not imagine that those who make the noise are the only inhabitants of the field;
    that, of course, they are many in number; or that, after all, they are other than the little,
    shriveled, meagre, hopping, though loud and troublesome, insects of the hour."

    -Edmund Burke
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  2. 07-07-2009, 08:10 AM #82
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    It's on the truck...
    s'all goof.
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  3. 07-07-2009, 11:54 AM #83
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    I think this amp establishes beyond a doubt that I am cursed.

    TJ tested the snot out of this thing before shipping it. He tested it with two different speaker cabs and with the same tubes I'm using. Bear in mind that all the guts of this thing have been completely rebuilt.

    I get it here, put it together, fire it up... it still cuts out.

    So I'm left with two possibilities: the speaker and/or the wiring of my house.

    I'm leaning more toward speaker. None of my other amps exhibit this behavior.

    I did a little jiggling around with the speaker wire and may have stopped the cutting out. I might have some time tonight to take the jack apart and see if there's a short in there somewhere.

    Crazy.

    When the amp is working, oh man, does it sound great! It gives me shivers.
    s'all goof.
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  4. 07-07-2009, 12:11 PM #84
    NTBluesGuitar
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    I am just totally baffled at this. I never had this problem in any of the environments I tested it in. From my house to the campus with a single 4ohm speaker to a SFTR 2x12 cab.

    We know it's not the tubes, we know it's not the circuitry, and the only variables left are speaker and power related.

    I'm leaning towards the speaker cable. I had a guitar cable that was pretty bad internally in the plug and it did the exact same thing in regards to cutting out.

    Maybe it's the Yankee electrons?
    "...pray do not imagine that those who make the noise are the only inhabitants of the field;
    that, of course, they are many in number; or that, after all, they are other than the little,
    shriveled, meagre, hopping, though loud and troublesome, insects of the hour."

    -Edmund Burke
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  5. 07-07-2009, 12:24 PM #85
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    It's the danged speaker (cable)!

    I just tried it out with a PA speaker hooked up and had no problems.

    Geez, this was the original problem! Oh well. I've got a fantastic amp out of the deal.

    Thanks for the trouble-shooting, TJ.

    My gorgeous wife took a few phtots. This evening I'll take a few more and get them posted here.

    I am a happy, happy, happy guy!
    s'all goof.
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  6. 07-07-2009, 12:24 PM #86
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Did I mention how happy I am?
    s'all goof.
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  7. 07-07-2009, 12:25 PM #87
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Now I need to look into getting some serious tubes.
    s'all goof.
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  8. 07-07-2009, 01:16 PM #88
    NTBluesGuitar
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)



    The speaker?!! Nuh-UH! Can't be!

    Well, this way you will get much more life out of your circuitry, and all the components inside are upgrades compared to what was on that PCB, that's for sure. Plus, you can follow the original '60s layout drawings for troubleshooting now.



    Serious tubes would be SED Winged C 6L6GCs and JJs are always a good bet in the preamp. The new manufacture Tung-Sols are also good, but I don't think they have a 12AT7 (which you need for the reverb and PI).
    "...pray do not imagine that those who make the noise are the only inhabitants of the field;
    that, of course, they are many in number; or that, after all, they are other than the little,
    shriveled, meagre, hopping, though loud and troublesome, insects of the hour."

    -Edmund Burke
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  9. 07-07-2009, 05:59 PM #89
    boobtube21
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    LOL Curtis that's a bummer to go through all that for a speaker cable but a happy ending nonetheless! Congratulations on your "new" amp.
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  10. 07-07-2009, 06:29 PM #90
    hippiebob01
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    glad you finally got it all figured out, thanks to "a little" help from tj
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  11. 07-07-2009, 06:49 PM #91
    curtisstetka
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Okey dokey, here's the stuff:


    The long-awaited box arrives!

    http://i32.photobucket.com/albums/d2...g?t=1247017812

    The Holy Moment:
    http://www.youtube.com/watch?v=TfavGXgCTk8

    Looks like spaghetti to me:
    http://i32.photobucket.com/albums/d2...g?t=1247017906

    TJ's beautiful craftsmanship:
    http://i32.photobucket.com/albums/d2...g?t=1247017945

    I couldn't remember right away where those three smaller screws went. I eventually figured it out.
    http://i32.photobucket.com/albums/d2...g?t=1247017969

    All together now!
    http://i32.photobucket.com/albums/d2...g?t=1247017993
    s'all goof.
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  12. 07-07-2009, 06:54 PM #92
    NTBluesGuitar
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Quote Originally Posted by curtisstetka View Post
    That's about how I felt when you told me it was still cutting out on you.

    "...pray do not imagine that those who make the noise are the only inhabitants of the field;
    that, of course, they are many in number; or that, after all, they are other than the little,
    shriveled, meagre, hopping, though loud and troublesome, insects of the hour."

    -Edmund Burke
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  13. 07-07-2009, 07:44 PM #93
    boobtube21
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    I forgot you bought the one with the 1x15". That must sound unreal.
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  14. 07-07-2009, 08:28 PM #94
    chuckocaster
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    you guys DO know that curtmo is a grade A (dyed in the wool) ?

    just joshin ya buddy!

    congrats on the new amp.
    "don't worry, i'm a professional!"
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  15. 07-07-2009, 08:36 PM #95
    old blue
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    Re: Curtis Stetka's TRRI Custom 15 (with phtots!)

    Good thing that beast is on wheels! Congrats. Bet it sounds awesome.
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