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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Since the s, Dumble has covered the preamp circuitry of his amps with a thick layer of usually opaque epoxypresumably protecting his schematic’s exact design from prying eyes. This was the most expensive amplifier on Dumble’s amplifier price sheet in the 90s.
Blue Book of Guitar Amplifiers. Leave your amp’s volume set high for overdrive, and use the Signal Pad to lower your level for a clean sound — then switch it off to kick in your amp’s natural overdrive. 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. But really, subtlety isnt this pedals primary job. It’s like your guitar’s volume knob, with a fully-passive and color-free circuit.
AttenuatorElectro HarmonixUnverifiedVolume. I thought that maybe a 6V6 Dumble could do the trick? Bill Putnam covered the additional “Low Noise” portion he developed for the in version C with black epoxy.
Newer Post Older Post Home. Not quite as “touch” sensitive as a Trainwreck, but damn close! Posted by Zach at Carlos Santanafor instance, only heard of Dumble in reference to Stevie Ray Vaughan in the late 90’s. I like it alot. Wikimedia Commons has media related to Dumble amplifiers.
Share to Twitter Share to Facebook. Saturday, 10 June Rockett 10 Ton Hammer. A single channel lzyout frills” combo amplifier, similar in appearance to the tweed Bassman.
Every Cumble has special high and low cut filters that adjust the overall tone late in the circuit. Dumble Lite Layout Dumble schematics, designs, pictures.
Anonymous 5 Aug You have the frequencies there for your use. Retrieved 4 May It makes troubleshooting safer and easier. Moss’s iron 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 layot necessarily earlier on the volume knob, though. Retrieved 9 June Basically a simple switchable volume pedal.
The Amp Garage
This would be a fun project from scratch. Along with an airbrake. No registered users and 0 guests. So after making a layout for it I started searching for other Silicon Tonebenders. The latter won’t give up the harmonics at lower settings but you can play with out the neighbors beating on the door.
Dumble amplifiers information archive – courtesy of Rob Livesey
The layout should be small enough to give you plenty of room in a BB. 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.
Have fun, enjoy the blog – Fred Briggs: One such application of this was in the Urei LN version C. 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 dumhle set resistor. Connected 10K resistor from Bass 1 to Ground instead of Vb. Although Dumble did some interviews and advertisements in the 80s, few people ever heard of Dumble, even in the professional music community.
Monday, 12 June Mictester – Silicon Tonebender. Does it break up dumnle in triode mode? Original schematic can be found on Revolutiondeux. This overdrive xumble is described as “cascading” from the first channel into at least one additional gain stage in the overdrive channel.
I took his switch wiring to make it true bypass, and removed the lyout LED to tell you that it’s got power, which I feel is unnecessary. The has higher gain then the Its laoyut is often characterized as an layotu clean and compressed signal with dynamic response and a lush reverb circuit.
Much of the company’s PR over the years has been word of mouth.