Search found 84 matches

by frusciante89
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?
by frusciante89
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...
by frusciante89
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...
by frusciante89
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...
by frusciante89
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

splgeo wrote: ↑Tue Aug 11, 2026 3:36 pm
frusciante89 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.
Glad I could be of inspiration 😎
Definitely!!!
by frusciante89
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.
by frusciante89
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...
by frusciante89
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 ...
by frusciante89
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:...
by frusciante89
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...
by frusciante89
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/...
by frusciante89
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...
by frusciante89
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...
by frusciante89
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...
by frusciante89
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...