DUMBLE LAYOUT PDF

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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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. The Return of Mr.

Is there a parts list handy? This was the most expensive amplifier on Dumble’s amplifier price sheet in the ddumble. Although Dumble did some interviews and advertisements in the 80s, lahout people ever heard of Dumble, even in the professional music community. By using this site, you agree to the Terms of Use and Privacy Policy. Since Dumble’s models are individually tailored, no two amps are exactly dymble same. Retrieved 28 May One notable original owner of a Manzamp was Bonnie Raitt. Not quite as “touch” sensitive as a Trainwreck, but damn close!

Dumble musical instrument amplifiers are custom manufactured in very limited numbers by Alexander “Howard” Dumble of Los AngelesCalifornia. The Signal Pad is a passive attenuator that allows you to instantly switch to a different preset volume. 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.

Archived from the original on Since buying his ODS, Ford has almost exclusively dumhle his original Dumble or an exact clone of it live.

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Dumble amplifiers information archive – courtesy of Rob Livesey

No registered users and 0 guests. Retrieved 20 December The Steel String Singer is best described as an extremely adjustable single channel “clean” amplifier with reverb. In other projects Wikimedia Commons. You must use some caution with the info found here as it is not totally “unified” e. Retrieved 7 October After he was lent an amplifier it wasn’t for sale he “was hooked for life. You can always check my ebay account to see what I’ve got up for grabs.

This external loop was likely created because of the difficulty of fitting effects loop buffering into the chassis of the amplifier and the limited use that effects loops serve for most players. Saturday, 10 June Rockett 10 Ton Hammer. The Overdrive Special is a two channel amplifier, with a clean channel and a second “overdrive” channel.

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. These models amount to general circuit styles and chassis layouts:. It’s like your guitar’s volume knob, with a fully-passive and lwyout circuit.

Layout Diagrams & Manuals

Despite the variability among Dumble tonestack voicing and operation, there are certain controls that most amplifiers share:. I’ll be starting on my own as soon as possible! I,m sure layour not the jazz tone many are looking for but man it sounds good.

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Howard soon became known as an electronics master, and his high end clientele gained him a reputation as the “reclusive amp tech to the stars”. The latter won’t give up the harmonics at lower settings but you can play with out the neighbors beating on the door. On the other hand, even dumle the many 6L6 versions of the ODS, there are considerable variations. Reportedly he has since bought more. Who are the “typical retailers”?

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Ford was using a mids blackface Fender Bassman, and running a tube screamer in front of it to overdrive the tubes to breakup. Unlike his contemporaries, however, Dumble was not really interested in the business lahout selling amplifiers in greater numbers.

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. You can also experiment with the Signal Pad anywhere in your effects chain — you’ll bring out new tonal combinations from your favorite old pedals. I am sure Ceriatone dunble a great kit, the only issue with Ceriatone is that shipping will cost you a mint.

Dumble Lite Layout – Page 2 – The Amp Garage

However, most ODS overdrive channels have a large amount of tube distortion available if so desired. This page was last edited on 6 Decemberat Starting with 4, the Phase Inversion was simplified, and the amp was given more negative feedback which cleaned up the signal even further. Original schematic can be found on Revolutiondeux. Tubeworks Real Tube Posted by Alex at These updates significantly changed the sound and feel of the circuit, and became standard to the SSS model from 4 and on.