Search found 84 matches
- Sun Sep 27, 2026 12:15 am
- Forum: Dumble Discussion
- Topic: AA electronics PCB #183 build, clip added
- Replies: 23
- Views: 10377
Re: AA electronics PCB #183 build, clip added
Bob, did you manage to solve this?
- Sun Sep 06, 2026 10:51 am
- Forum: For Sale/Trade
- Topic: Dumble 102 Clone - LONDON
- Replies: 2
- Views: 12883
Re: Dumble 102 Clone - LONDON
Forgot to add some pictures :D https://i.ibb.co.com/Kx1XKr4f/IMG-4126.jpg https://i.ibb.co.com/X1wbNqX/IMG-4128.jpg https://i.ibb.co.com/nsW7jv0y/IMG-4129.jpg https://i.ibb.co.com/gLgh9hc5/IMG-4130.jpg https://i.ibb.co.com/VGyTW8B/IMG-4133.jpg https://i.ibb.co.com/DgvBqSCx/IMG-4136.jpg https://i.ibb...
- Sat Sep 05, 2026 9:02 am
- Forum: For Sale/Trade
- Topic: Brand new resistor kit - TE Connectivity ROX1SRS - 1600 Pieces
- Replies: 0
- Views: 4135
Brand new resistor kit - TE Connectivity ROX1SRS - 1600 Pieces
Hello guys, I bought two of these a while ago but only used one of them. It's the TE Connectivity ROX1SRS, 1W, 1600 Pieces spanning from 0.1 ~ 1M Ohm, Tolerance ±5%. Brand new! Originally paid £350 from RS Electronics write me here if interested, accepting offers: andrea. antonello. uk AT gmail . co...
- Sat Aug 15, 2026 8:57 pm
- Forum: Dumble Discussion
- Topic: ODS #183 with 4xEL84s
- Replies: 13
- Views: 8199
Re: ODS #183 with 4xEL84s
ALL, I am here because my brother and I were in the process of building a ODS but decided to use a quad of EL84s instead of 34s. Well my brother has since passed away from colon cancer in Augest '25. He was going to build his own eyelet boards and engineer this whole project. Then I found the AAele...
- Sat Aug 15, 2026 8:49 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
Definitely!!!splgeo wrote: ↑Tue Aug 11, 2026 3:36 pmGlad I could be of inspirationfrusciante89 wrote: ↑Sat Jul 25, 2026 8:01 am I'm using an Analog Discovery with a software called Audio Analyzer Suite. It’s a hifi enthusiast custom build.![]()
- Sat Jul 25, 2026 8:01 am
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
I'm using an Analog Discovery with a software called Audio Analyzer Suite. It’s a hifi enthusiast custom build.
- Sun Jul 19, 2026 3:36 pm
- Forum: For Sale/Trade
- Topic: Dumble 102 Clone - LONDON
- Replies: 2
- Views: 12883
Dumble 102 Clone - LONDON
Hi guys! If anyone is interested, I'm selling my 102. Finished the build a couple of weeks ago as I'm moving flats and wanted to tie up loose ends before the move. Pics and gut shots can be found in the Dumble section — I've posted quite a lot about this unit :) If anyone around London/UK is interes...
- Wed Jul 01, 2026 10:53 am
- Forum: Dumble Discussion
- Topic: PI Trimpot: oscilloscope readings
- Replies: 21
- Views: 24914
Re: PI Trimpot: oscilloscope readings
Great job! That's a very cool portable oscilloscope. Looks like you got 40 watts clean headroom before the sine wave was just starting to lose its clean sine wave. Small notch forming at the top right. I am sure it would easily hit 50 watts when pushed into distortion wave. Also if you are using a ...
- Wed Jul 01, 2026 10:45 am
- Forum: Dumble Discussion
- Topic: Dumble 102 - Finished Amp pics
- Replies: 8
- Views: 9624
Re: Dumble 102 - Finished Amp pics
Sorry guys, was waiting for a sunny day here in London to take the pics :) there you go! The Tolex style is called "comet": https://allparts.uk.com/products/tolex-mojo-comet-black?srsltid=AfmBOoqxauPKoujX6kYfGZ78qis4gXDA9A68s3i-FRyPfIAPiXr0hUrh Also, transformer used are from InMadOut, Italy. https:...
- Sun Jun 28, 2026 1:39 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 - Finished Amp pics
- Replies: 8
- Views: 9624
Dumble 102 - Finished Amp pics
Hey guys, just wanted to share so pics of my latest build. 102 clone! Too wayyy longer than expected - life got in the way. Started it in 2022, did most of the connections but never really had the time to finish the last 10%. Finally found some time last month, and here it is! Hope you like it :D ht...
- Sat Jun 27, 2026 9:24 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
Waveform scope tests (Robben Ford style setting): 1000Hz, 100mV Sine input signal fed at guitar input. Output taken at speaker output Normal Input, CLEAN Channel, Volume 3; Treble 3; Middle 4; Bass 6; bright OFF; deep OFF; rock mode ON; master 5, presence 4; PAB boost OFF https://i.ibb.co/1YVXSvG5/...
- Sat Jun 27, 2026 9:17 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
Harmonics tests (Robben Ford style setting): 1000Hz, 100mV Sine input signal fed at guitar input. Output taken at speaker output Normal Input, CLEAN Channel, Volume 3; Treble 3; Middle 4; Bass 6; bright OFF; deep OFF; rock mode ON; master 4, presence 4; PAB boost OFF https://i.ibb.co/4ZX1twLC/harmo...
- Sat Jun 27, 2026 9:12 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
Full amp tests (Robben Ford style setting): 1000Hz, 100mV Sine input signal fed at guitar input. Output taken at speaker output Normal Input, CLEAN Channel, Volume 3; Treble 3; Middle 4; Bass 6; bright OFF; deep OFF; rock mode ON; master 5, presence 4; PAB boost OFF https://i.ibb.co/73nXk2W/full-ch...
- Sat Jun 27, 2026 9:08 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
Overdrive channel tests: 1000Hz, 100mV Sine input signal fed at guitar input. Output taken at Ratio pot Pin3 Normal input, Volume 3; Treble 5; Middle 5; Bass 5; bright OFF; deep OFF; rock mode ON; level 4; PAB boost OFF https://i.ibb.co/x8hg5Fqt/OD-t5-m5-b5-bright-OFF-deep-OFF-jazz-ON-vol3-level4-r...
- Sat Jun 27, 2026 8:58 pm
- Forum: Dumble Discussion
- Topic: Dumble 102 & Frequency analyser. A rabbit hole
- Replies: 9
- Views: 10453
Re: Dumble 102 & Frequency analyser. A rabbit hole
PAB Boost tests: 1000Hz, 100mV Sine input signal fed at guitar input. Output taken at Ratio pot Pin3 Normal input, Volume 3; Treble 5; Middle 5; Bass 5; bright OFF; deep OFF; rock mode ON; level 4; PAB boost OFF https://i.ibb.co/Q376JMTk/clean-vol3-t5-m5-b5-bright-OFF-deep-OFF-jazz-ON-pres3-boost-O...