So since I did a layout for the Tubeworks I thought to myself if it’s basically a tube pre-amp I Layout Dumble Overdrive Special 70’s. The Dumble Overdrive Special has been one of the “Holy Grail” guitar . Here’s a layout for the Overtone Special 50 (A Dumble Overdrive. Hoffman Amplifiers Tube Amp Forum, Dumble Champ Schematic. Dumble- ( kB, x – viewed 49 times.).

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Posted by Alex at It appears as thought the heater wiring was red and black on this build Retrieved 9 June PM me if you like – lots lzyout say. Great job Norm and Moss. Since buying his ODS, Ford has almost exclusively used his original Dumble or an exact clone of it live.

Mark Rakemaker 16 May Also, despite its reputation as a “clean machine”, the earlier SSS and possibly 7 would break up when their input gain was layoout up or pushed by a loud input signal. Dumble was hired by Mosrite to build a special line of Amplifiers for The Ventures before he was I am sure Ceriatone makes a great kit, the only issue with Ceriatone is that shipping will cost you a mint.

He has several Matchless amps, which sound great, but he would like something that sounds great without having to turn it up too loud.

The Amp Garage

Despite the variability among Dumble tonestack voicing and operation, there are certain controls that most amplifiers share:. Reportedly he has since bought more. Does it break up earlier in triode mode? I like it alot. Most of the aspects shared by every Steel String Singer are control oriented.

The layout should be small enough to give you plenty of room in a BB. Also, you will find a forum topic specifically for the D’Lite project here: Others have a clean channel that will start to “break up” around 3.


Newer Posts Older Djmble Home. Building on order only even building his own speaker cabinets by handhis amps were regularly called the best by high end professional musicians.

Get back in tune with the old school overdrives that made you wanna rip some killer riffs and leads in the first place.

Dumble Amplifiers

Carlos Santana and Ben Harper have both said that they bought their first Dumble used, and had Dumble refurbish the amp for their particular playing styles. Schematic can be found on Revolutiondeux.

The latter won’t give up the harmonics at lower settings but you can play with out the neighbors beating on the door. Jon Fisher 30 Marlagout Or will it still be too loud? Found this while searching for some schematics for Silicon Djmble I came across it on revolutiondeux. Monday, 12 June Mictester – Silicon Tonebender.

Saturday, 10 June Rockett 10 Ton Hammer. It is due to the fact they are in Malaysia, if Ceriatone really wants business to take off they should setup some sort of warehouse in the US to have his kits shipped out of the US.

For example, although most ODS amplifiers use 6L6 tubes in the power section commonly associated with Fender ampssome have EL34 tubes commonly associated with Marshall amps. Remember, it takes 10x the wattage to be 2x as loud. JohnK had made a layout for the awhile ago, so I thought I’d give the a shot. Its sound is often characterized as an extremely clean and compressed signal with dynamic response and a lush reverb circuit.

With that in mind, I modified the original layout I made with various tone stacks. Dumble also made a tube-buffered external effects loop called a Dumbleator.

With verified layouts in site, I figured I’d throw in something small, simple, and usable. The Return of Mr. By using this site, you agree to the Terms of Use and Privacy Policy. In an interview with Premier GuitarRobben Ford claims that Dumble told Ford that the original inspiration for the Overdrive Special came while watching Ford play live in the 70s at a bar in Santa Cruz.


Fewer than 12 of the original Steel String Singers have been accounted for. Along these same lines, many later versions of the ODS have “HRM” controls on the inside of the amplifier, which is a “Hot Rodded Marshall” tone stack that sits “on top” of the overdrive channel, or in other words comes after the Overdrive channel tube gain stage. Starting with 4, the Phase Inversion was simplified, and the amp was given more negative feedback which cleaned up the signal even further.

A few Dumble amps have a Dumbleator circuit built into them, but most have “un-buffered” input jacks that tap directly out of the pre-amp and into the power amp. Dumble still builds amplifiers at the rate of about 2 or 3 per year, and primarily builds for celebrity musicians and studios.

So you wanna build a Dumble Overdrive Special? | La Révolution Deux

I called a couple of the distributors here in Massachusetts, and they didn’t have Ceriaton’es on their web site, but did say they could get them, so they have some kind of deal. Miro posted a layout awhile ago for the Hot Silicon, which is pretty much the same, the difference being the trimmer off the gain control abuse which lets you set the gain rather then having a set resistor. Ford was using a mids blackface Fender Bassman, and running a tube screamer in front of it to overdrive the tubes to breakup.

Who are the “typical retailers”?

Dumble amplifiers information archive – courtesy of Rob Livesey

These models amount to general circuit styles and chassis layouts:. Retrieved 7 October I’ll be starting on my own as soon as possible! Share to Twitter Share to Facebook.