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DUMBLE or D Style amps

TM1

Well-known member
Joined
Jun 27, 2003
Messages
8,244
I met Alexander a couple of times. I use to work across the street from Groove Tubes at SWR Eng. seemed like a nice enough chap! We talked about KT66’s whichI got the impression that it was one of his favourite output valves. On a trip to the north of England I went to the home of a really great chap who had two Dumbles in his home. It was really great to see the insides. A work of art!
 

Dave P

Active member
Joined
Oct 13, 2001
Messages
820
Had a Fuchs, still have a Ceriatone OTS, and also a #102 clone someone from the Amp Garage built that I'm redoing because the soldering inside was hideous. I'm getting the itch to build my own.
 

Mr. Papa

Well-known member
Joined
Jan 14, 2002
Messages
1,413
My Zendrive pedal is pretty fun. Haven't made the leap to a D amp, but am kind of curious about the Ceriatone Tweedle Dee.
 
Joined
Jun 1, 2015
Messages
33
ODS clone (low-plate Skyliner) built by Bill Krinard of Two-Rock for Overland Express, one of the most prominent Dumble dealers in the business. Was intended as a prototype for a line of amps that never ended up happening. Sounds absolutely killer.

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charliechitlins

Well-known member
Joined
Nov 16, 2021
Messages
618
My Zendrive pedal is pretty fun. Haven't made the leap to a D amp, but am kind of curious about the Ceriatone Tweedle Dee.
I think the Tweedle Dee was virtually mass produced (by boutique standards)...at least, not shrouded in mystery.
I know an amp builder who has been inside a few (and other Dumbles) and he can clone the TD.
I don't think they had epoxy/goop and were not made for individual clients.
 

57gold

Active member
Joined
Jan 14, 2005
Messages
663
Anyone know what all the variations of Dumble circuits there are? When one checks out Bludo or AN or Glaswerks or Fuchs or Louis Electric there is a bunch of "Dumble talk", which means not much to me. Perhaps there is an authoritative source for Dumble circuit discussion? Love Lowell's, Robben's, SRV's...Dumble tones, but they are not very similar.

Never played a Howard built amp, but tried out a Two Rock $5K+ Custom Reverb for a spell (too many dials/switches and took a whole lot of monkeying around to find a good clean and lead to switch between) and then a Welagen (very gainy singing lead) and Bludo High Plains Drifter (great tone, like an perfected blackface Twin...but louder than a SOB).
 

plasar

New member
Joined
Aug 22, 2001
Messages
3
  • OK, a bit of a sad story - amp just dropped off at UPS today to be returned for a refulnd.
  • I just couldn't get good sounds out of this thing.
    • Cleans were prolly the best - but overall, it sounded a little bit "stilted".
    • Crunch and especially distortion were really disappointing - not rich at all, but thin, tinny/grainy.
    • What I was hoping for - what RJ Ronquillo recorded here on YouTube:.
    • Possible causes:
      • Celestion G12-65 speaker?
        • Speaker impeadance: it says "15 ohms", I tried both the 16 and 8 ohm outputs.
      • The "style/voicing" of preamp: 70s/80s/90s?
    • I've got other good amps that sound great - Victoria Bassman, Marshall Silver Jubilee (original) and Bluesbreaker (hot rodded re-issue), Magnatone Stereo Twilighter, Fender ProSonic (Custom Shop 1997) - so sorry this one didn't.
  • But it looked SO GOOD - the build quality was magnificent, the suede smelled like leather (I assume of course it's artificial) - and I was tempted to keep it as a clean, loud, flat front end to my Line6 Helix pedal and use the amp models from that.
  • I guess what they say about "meeting your heros" is sometimes true. :cry:

AmplifiedNation-BombshellOverdrive.jpeg
 
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MattD1960

Active member
Joined
Mar 17, 2009
Messages
616
Thats really to bad, curious if you tried the FET imput and played with the cascading channels. it takes bit to dial in. my first AN was a Prime Minister and it had a similar cascading feature once i figured that out the drive from the amp improved 1000 fold.

i have personally played a few Bombshells and never found OD to be an issue myself, hopefully that helps you cuz it is a beautiful set
 

taylunatic

Member
Joined
Dec 2, 2009
Messages
47
Suede is real…not artificial

With the cascading channels of a D style amp you need to have the clean channel turned up to get more saturation when switching over to the overdrive channel.

Mid boost on, keep the preamp boost off for now. YMMV depending where the tone stack is set when engaging it.
 

plasar

New member
Joined
Aug 22, 2001
Messages
3
  • Thx for the comments garywrigh, MattD, tylunatic.
  • Mmm, real suede!
  • I tried FET and Nornal, and all the switches and knobs I could twist. My other amps are much easier to dial in a great sound.
  • im underway with my next journey - I am fine with the amp models from my Line6 XTLive (retired) and Helix - I have it running thru my Magnatone with clean volume and ”hifi“ sound - bass and middle at 10 with treble about 40%. This worked well on my Prosonic too. But I am getting a Roland JC40 next week. These have really “sterile” solid state cleans and stereo inputs that I can feed right from my Helix. I look forward to the Helix’s stereo effects thru the JC40’s stereo speakers.
https://www.roland.com/us/products/jc-40/

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MattD1960

Active member
Joined
Mar 17, 2009
Messages
616
C600ED5B-0598-4430-B8E7-5D3DDA673AEA.jpeg
Heres an updated family photo

Overdrive Reverb-Wonderland Overdrive-Steel String Sultan combo
 

renderit

Well-known member
Joined
Jan 19, 2009
Messages
10,636
I'll throw this one into the mix.

Longhorn Amps El Vaquero.

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