Welcome To the Hoffman Amplifiers Forum

September 07, 2025, 03:39:22 pm
guest image
Welcome, Guest. Please login or register.
-User Name
-Password



Hoffman Amps Forum image Author Topic: Dumble 124  (Read 7041 times)

0 Members and 1 Guest are viewing this topic.

Offline Tom_Hull

  • Level 2
  • **
  • Posts: 189
Hoffman Amps Forum image
Dumble 124
« on: December 03, 2020, 09:51:40 pm »
Hi found this schematic.dumble 124
I searched on this forum and did not find this dumble here..
Hope it helps someone.
I have a amp asthe donor .with 4 el34s 3 12ax7.
And needs tubes ..sòoò
I might just build one close to this one .
Still wondering about what to build. Might be in january. Parts and deciding .

https://el34world.com/Forum/index.php?action=dlattach;topic=26774.0;attach=88460
Tom

« Last Edit: December 03, 2020, 10:31:56 pm by Tom_Hull »

Offline tubenit

  • Global Moderator
  • Level 5
  • ******
  • Posts: 10274
  • Life is a daring adventure or nothing at all!
Hoffman Amps Forum image
Re: Dumble 124
« Reply #1 on: December 04, 2020, 06:09:39 am »
The Amp Garage has tons of info including schematics and layouts for many of the Dumble amps here:

http://ampgarage.com/forum/viewforum.php?f=5&sid=65ecc16ee8c8fcfae1e0d3f216aa8dfb

Including a layout for 124.

Numerous TAG posters also post here and vice versa.

With respect, Tubenit

Offline Tom_Hull

  • Level 2
  • **
  • Posts: 189
Hoffman Amps Forum image
Re: Dumble 124
« Reply #2 on: December 04, 2020, 07:51:11 am »
Thanku .
Lots of information there.
Dumble amp people .nice .


Or  D mars with four power tubes.
I have been trying to decide
What to build for 3 months
I converted  johns amp a ampeg rocket reverb.. the preamp to dumble style , with 6ls7s .6sn7s and 6v6s.the amp  sounds nice now.
Tom

 


Choose a link from the
Hoffman Amplifiers parts catalog
Mobile Device
Catalog Link
Yard Sale
Discontinued
Misc. Hardware
What's New Board Building
 Parts
Amp trim
Handles
Lamps
Diodes
Hoffman Turret
 Boards
Channel
Switching
Resistors Fender Eyelet
 Boards
Screws/Nuts
Washers
Jacks/Plugs
Connectors
Misc Eyelet
Boards
Tools
Capacitors Custom Boards
Tubes
Valves
Pots
Knobs
Fuses/Cords Chassis
Tube
Sockets
Switches Wire
Cable


Handy Links
Tube Amp Library
Tube Amp
Schematics library
Design a custom Eyelet or
Turret Board
DIY Layout Creator
File analyzer program
DIY Layout Creator
File library
Transformer Wiring
Diagrams
Hoffmanamps
Facebook page
Hoffman Amplifiers
Discount Program