5watt Dumble Amp Build

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desertmouth90
Posts: 137
Joined: Tue Jan 23, 2024 9:35 am

5watt Dumble Amp Build

Post by desertmouth90 »

I have been planning on building a mini version of my 100w Dumble Overdrive Special.

I have someone that could make me the custom transformers with a 12v tap.

Does anyone have any idea how to calculate what voltage I would need for a 5w version?

Many thanks in advance.
neskor
Posts: 145
Joined: Fri Apr 17, 2020 1:53 pm

Re: 5watt Dumble Amp Build

Post by neskor »

Search for the "86 Special" and also do a search for "mini-HRM".

There is a reference for a schematic and layout for both of those in the threads:

https://tubeamparchive.com/viewtopic.ph ... ht=special

https://tubeamparchive.com/viewtopic.ph ... rm&start=0

More info, schematics and soundclips here:
http://www.el34world.com/Forum/index.php?topic=9149.0
pullshocks
Posts: 158
Joined: Thu Feb 16, 2006 3:42 am
Location: Seattle

Re: 5watt Dumble Amp Build

Post by pullshocks »

Martin Manning was working on a low watt ODS that looked really great. Not sure if he has finished it. https://ampgarage.com/forum/viewtopic.php?f=4&t=37090
jabguit
Posts: 250
Joined: Tue Aug 18, 2020 11:53 am
Location: NC
Contact:

Re: 5watt Dumble Amp Build

Post by jabguit »

neskor wrote: Thu Dec 05, 2024 1:14 pm Search for the "86 Special" and also do a search for "mini-HRM".

There is a reference for a schematic and layout for both of those in the threads:

https://tubeamparchive.com/viewtopic.ph ... ht=special

https://tubeamparchive.com/viewtopic.ph ... rm&start=0

More info, schematics and soundclips here:
http://www.el34world.com/Forum/index.php?topic=9149.0
First 2 links don't direct to anything.


cheers,
Jack Briggs
Briggs Guitars
10thTx
Posts: 1872
Joined: Sat Dec 30, 2006 1:13 am

Re: 5watt Dumble Amp Build

Post by 10thTx »

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martin manning
Posts: 14308
Joined: Sun Jul 06, 2008 12:43 am
Location: 39°06' N 84°30' W

Re: 5watt Dumble Amp Build

Post by martin manning »

pullshocks wrote: Thu Dec 05, 2024 10:17 pm Martin Manning was working on a low watt ODS...
Hoping to make that my holiday break activity ;^)
andyhardy
Posts: 195
Joined: Sat Nov 07, 2009 4:23 am
Location: Ontario, Canada

Re: 5watt Dumble Amp Build

Post by andyhardy »

Here's a link to a single El84 amp the clips sound great

https://ampgarage.com/forum/viewtopic.p ... ht=violeta
10thTx
Posts: 1872
Joined: Sat Dec 30, 2006 1:13 am

Re: 5watt Dumble Amp Build

Post by 10thTx »

Another great clip of Mat's !

https://soundclick.com/share.cfm?id=8927753
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