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New 5f2a build (pics)

Discussion in 'Shock Brother's DIY Amps' started by arielyitus, May 28, 2018.

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  1. arielyitus

    arielyitus Tele-Meister

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    I don't know about you guys but I can spend a very long time just looking at gutshots. Anything is useful, I get I ideas of what not to do and what looks good for me to try.

    Anyway, I am posting some pics of my third build, it is the most quiet of the three and I would describe the tone similar to my 5e3 with a lot less headroom.

    I am waiting for the cab, it will be a combo with a 10" alnico gold.
     
  2. arielyitus

    arielyitus Tele-Meister

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  3. Tapatio

    Tapatio Tele-Meister

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    Congrats. This is very neatly done. Have you thought about variable NFB? That would will let you dial in just the right amount of headroom for different applications.
     
  4. arielyitus

    arielyitus Tele-Meister

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    IMG_20180521_233101429_LL.jpg IMG_20180521_233049880_LL.jpg IMG_20180521_233055225_LL.jpg IMG_20180521_233109792_LL.jpg
     
  5. arielyitus

    arielyitus Tele-Meister

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    Thanks for the kind words, I would like to see what the mod looks like, I am gonna do some searching!
     
  6. Tapatio

    Tapatio Tele-Meister

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    Check out:
    He explains it really well.

     
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  7. corliss1

    corliss1 Friend of Leo's Platinum Supporter

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    Someone is gonna come in and complain that you used a transformer bolt for ground on a new build. For what you're doing it's totally fine, but I guarantee it's gonna happen :D

    Looks nice - I'm not really a fan of a wire nut in there though since I'd just solder and heat shrink that.
     
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  8. arielyitus

    arielyitus Tele-Meister

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    You are right I think I am gonna shorten those wires and solder and add heat shrink, it does look ugly :)
     
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  9. arielyitus

    arielyitus Tele-Meister

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    The cab is here!

    IMG_20180617_084707305_HDR.jpg IMG_20180617_084713603_HDR.jpg IMG_20180617_084744404.jpg IMG_20180617_084724706_HDR.jpg IMG_20180617_084733043.jpg
     
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  10. 71Tele

    71Tele Tele-Meister

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    Beautiful, congrats!!!
    Are you happy with the way it sounds? I love my 5f2a, although I wish sometimes it had a reverb.
     
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  11. flyswatter

    flyswatter Friend of Leo's

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    Good move. Any electrical tape used inside an amp is guaranteed to melt into a sloppy goo from the heat trapped inside the chassis. Seen it a hundred times while servicing older amps. Wire nuts likewise will twist their way off eventually.

    While I'm not one of those who'd scream about you attaching the safety ground to a transformer bolt, it's common practice to anchor it on a bolt closer to the strain relief with some slack on the green wire. That's so that if the strain relief ever failed or the AC cord were violently ripped from the chassis (if the amp fell off a stage, for instance), the safety ground would be the last wire to break off.
     
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  12. King Fan

    King Fan Poster Extraordinaire Ad Free Member

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    A 5f2a is a slice of tweed heaven. Enjoy it.

    Gotta agree with Corliss about the wire nut. Yeah it’s a style point, not a criticism. Yours looks pretty dang secure, and they meet code in your house, but amp builders just don’t like 'em. Three options I’m aware of: 1) Look up Western Electric splice; heat shrink over one. 2) Mount a piece of tag strip to act as a junction point. 3) You can get an alarmingly named 'butt splice' for your wire gauge and heat shrink over it.

    I’ve also seen individual terminal blocks used for this but don’t know details.
     
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  13. robrob

    robrob Poster Extraordinaire Ad Free Member

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    That is a beautiful, super clean build. Congrats.
     
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  14. RustySterling

    RustySterling Tele-Meister

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    Nice. My next build is going to be an 5F2A and your build is inspiring.

    When I saw the wire nut it looked to me like you shrink wrapped it. Didn't know that was electrical tape. On my 5E3 I soldered the negative leads together, shrink wrapped them and then capped with a wire nut, which I now may put on larger shrink wrap and really cap it off. I also shrink wrapped the end of the 220V unused lead.
     
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  15. arielyitus

    arielyitus Tele-Meister

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    Yes, I think it sounds like what I love in my 5e3, that spot where is not too clean but not too hairy. I am gonna try a 12ay7 and see if I get a little more headroom and keep the nice mid rich tone.
     
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  16. arielyitus

    arielyitus Tele-Meister

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    Thanks for the input, great info.
     
  17. arielyitus

    arielyitus Tele-Meister

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    Thanks Rob, I keep looking at your website practically for every question I have :)
     
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