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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Great job Norm and Moss. Since Dumble’s models are individually tailored, no two amps are exactly the same.

Comments are welcome on Revolution Deux. Or will it still be too loud?

It appears as thought the heater wiring was red and black on this build FuzzMictesterVerified. The Steel String Singer is best described as an extremely adjustable single channel “clean” amplifier with reverb. Since my layout different then his, and the added trimmer I figured it was worth adding.

This overdrive channel is described as “cascading” from the first channel into at least one additional gain stage in the laout channel.

Dumble Lite Layout – Page 2 – The Amp Garage

One notable original owner of a Manzamp was Bonnie Raitt. Now, all of that said – I have a V6 ODS in the works now also, with a similar hope – wanting the smaller amp to “give it up” earlier in the volume spectrum not necessarily earlier on the volume knob, though.

Guitar Player Presents Carlos Santana. He has several Matchless amps, which sound great, but he would like something that sounds great without having to turn it up too loud. Views Read Edit View history. When run with just the triode it does sustain at a much lower volume –just my humble opinion. Laylut like your guitar’s volume knob, with a fully-passive and color-free circuit. Is there a parts list handy?


You have the frequencies there for your use.

With verified layiut in site, I figured I’d throw in something small, simple, and usable. I’m asking because I’ve been asked if I have an amp that will sound good at low volumes.

One such application of this was in the Urei LN version C. However, most of Dumble’s amplifiers will fall within a few known models. Structopompeiisneaksmhuss layoyt, HeeBGB. JohnK had made a layout for the awhile ago, so I thought I’d give the a shot.

The Overdrive Special is a two channel amplifier, with a clean channel and a second “overdrive” channel. It may not play nicely with high gain amplifiers, thats just the nature of the high gain game. The clean channel llayout often described as “fast”, “huge”, and “responsive”. I’ll be starting on my own as soon as possible!

Dumble Amplifiers

Saturday, 10 June Rockett 10 Ton Hammer. Newer Posts Older Posts Home. Who are the “typical retailers”? Get back in tune with the old school overdrives that made you wanna rip some killer riffs and leads in the first place. The kit is with the head cabinet and weighs 44 Kg for all components.

Basically a simple switchable volume pedal. Retrieved 6 Jan Also, a LOT depends on your speaker efficiency.

So as most of you guys know when I’m studying for exams I tend to do a bunch of layouts when taking breaks to keep my sanity. Its EQ is generally considered to be relatively flat internally, but this becomes extremely malleable through the controls provided on the front panel and its overall responsiveness.


Found this while searching for some schematics for Silicon Tonebenders I came across it on revolutiondeux. Its sound is often characterized as an extremely clean and compressed signal with dynamic response and a lush reverb circuit. Retrieved 20 December After he was lent an amplifier it wasn’t for sale he “was hooked for life.

Just click the button above to email me directly or alternately my email address is fredbriggs [at] googlemail [dot] com. I took his switch wiring to make it true bypass, and removed the additional LED to tell you that it’s got power, which I feel is unnecessary. It makes troubleshooting safer and easier. AttenuatorElectro HarmonixUnverifiedVolume. 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.

KeelerOverdriveVerifiedVero. Some of the notable owners and users of the Steel String Singer include: Howard Dumble began modifying Fender tweed and blackface amplifiers [6] in [7] in Santa Cruz. Other alternates are available though.

Dumble also made a tube-buffered external effects loop called a Dumbleator. The Signal Pad is a passive attenuator that allows you to instantly switch to a different preset volume.