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Thread: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

  1. #11
    LVC
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Thanks Dave!

    I am on the hunt for a showman --- as soon as I pick one up -- I will ship it off to you.

    Some of the enhancements to the mod you provide are well thought out and make sense (bias probes etc). I also like the idea of customizing the faceplate.


    I don't know if you saw my other thread -- but I just picked up a baseman that was modified by Smitty at Bluetron (runs EL34) --- and I like that the faceplate was changed over to something else and the knobs replaced --- esthetically it looks better.

    NAD -- Bassman with Mods by Smitty from Bluetron







    Quote Originally Posted by GregDClark View Post
    I do a few Dumble style "Ultra Pheonix and Gain" mods a year and love the circuit, and what it does.

    It's not at all like an Overdrive special, it's really a great all round Rock machine but is really very versatile. Especially when used with an A/B switch you can easily get a Clean, and Dirty side goin so I would say it's a Quazi " channel switcher"

    I also offer a few things the D man didn't: (External Bias test points, eliminate the Ground switch, as well as put the Bias trimmer on the back panel for easy rebias).

    And I offer a few other things like: Passive FX loop, Pre Phase Inverter Master Vol, Post Phase inverter Cathode follower Driver tube (ala SSS/Dumbleland), custom Faceplates, and a bunch more stuff that's all optional.

    Every amp is loaded with NOS preamp tubes I hand pick (for transconductance, matched triodes etc.), and a Matched set of premium New Prod. Power tubes (NOS avail on request).

    I give a Foot switch for every amp mod I do to toggle a Preamp boost (PAB) for each channel. Each channel is voiced quite different, as well as their designated Boosts. I still do what the D man did but I put my own twist on it......

    I offer this platform on just about every Fender model from Blackface, to pre 72' Silverface amps, and all wattage amps from the Princeton on to the Twin Reverb. The Bandmaster and Blackface Dual Showman being my fav.




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    Senior Member Mac Daddy 355's Avatar
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?






    Last edited by Mac Daddy 355; 05-13-2012 at 06:26 PM.

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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    thanks for posting, Brad! So that is the Normal channel, I'm guessing. How loud is it? Is the gain just the amp, or are pedals involved?

  4. #14
    Senior Member Mac Daddy 355's Avatar
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Quote Originally Posted by 57special View Post
    thanks for posting, Brad! So that is the Normal channel, I'm guessing. How loud is it? Is the gain just the amp, or are pedals involved?
    Yes its the normal channel running thru a KOT & Boss delay

    heres a clean one , but its only going thru a 1/12 cab w/a fane speaker some breakup



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    LVC
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Sounds incredible!

    My kind of tone!

    It probably sounds spectacular with a strat



    Quote Originally Posted by Mac Daddy 355 View Post
    Yes its the normal channel running thru a KOT & Boss delay

    heres a clean one , but its only going thru a 1/12 cab w/a fane speaker some breakup


    BOUTIQUE GEAR TALK
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    "I'd rather listen to John Lee Hooker play one note rather than those tasmanian devils play a gazillion ones in the key of 'stupid'..."
    Carlos Santana

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    Member GregDClark's Avatar
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    My Latest Ulatra Phoenix Mod (69 Fender Bassman).

    Has my own "Oliver Twist Voicing" with a Ftsw for a Pre amp Boost for each Channel, as well as a Ftsw. to toggle channel 1 or 2.





    Greg D. Clark

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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Could we see some gut shots?
    Lot of experts here lets see if you know your stuff

    Quote Originally Posted by GregDClark View Post
    My Latest Ulatra Phoenix Mod (69 Fender Bassman).

    Has my own "Oliver Twist Voicing" with a Ftsw for a Pre amp Boost for each Channel, as well as a Ftsw. to toggle channel 1 or 2.






  8. #18
    Member GregDClark's Avatar
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Quote Originally Posted by locomotivebreath View Post
    Could we see some gut shots?
    Lot of experts here lets see if you know your stuff
    Nope, sorry, no gut shots.

    Will post clips though as soon as she's all done.
    Greg D. Clark

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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Quote Originally Posted by GregDClark View Post
    Nope, sorry, no gut shots.

    Will post clips though as soon as she's all done.
    Why no gut shots?
    Is it your original circuit or are you tagging along on Dumbles exhaust fumes?

  10. #20
    Member GregDClark's Avatar
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    Re: Dumble Ultra Phonix Mod -- what is it? Are there other Dumble Mods out there?

    Quote Originally Posted by locomotivebreath View Post
    Why no gut shots?
    Is it your original circuit or are you tagging along on Dumbles exhaust fumes?
    I offer a few different voicings. Some are exactly what Dumble did, others are not....

    Like the following:

    Ultra Phoenix and Gain Mod
    Hotel Hog Mod
    Oliver Twist (my own voicing)
    Hotel Hog/Phoenix cross (also my own)

    All have some ease of simplicity mods (like Bias Test points and a bias Pot on the back panel, as well as a few extra options that Dumble also did not offer like a passive or Active FX Loop, and a myriad of other Foot switchable functions).

    The base Phoenix Mod I offer though is a direct clone of a Dumble Modded Fender Ultra Phoenix i had the pleasure of documenting.

    I'm not posting gut shots because of a mutual agreement I had with the original owner of the amp I base my mods off of

    I will post clips though as soon as I get the chance..
    Greg D. Clark

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