Search found 70 matches
- Fri Jun 28, 2024 9:17 pm
- Forum: Dumble Discussion
- Topic: Dumble ODS 102 w/ AAElectronics PCB
- Replies: 4
- Views: 3553
Re: Dumble ODS 102 w/ AAElectronics PCB
Looking good
done a few with his pcb's always come out well and sound good, makes it easier with everything on one board.
- Thu Jun 27, 2024 10:17 pm
- Forum: Dumble Discussion
- Topic: Two rock crs v3 clone and v1 vs v3 differences
- Replies: 102
- Views: 41988
Re: Two rock crs v3 clone and v1 vs v3 differences
Dont know enough but i am trying slowly to get my head around complicated layouts and schematics and struggling to understand the path of the signal and reverb in the above layout, so was wondering if anybody has completed the 6L6 100W #94 reverb and is it good to go or needs tweaking, any assistanc...
- Sat Jun 22, 2024 1:16 pm
- Forum: Dumble Discussion
- Topic: Two rock crs v3 clone and v1 vs v3 differences
- Replies: 102
- Views: 41988
Re: Two rock crs v3 clone and v1 vs v3 differences
This layout should get you started Franco. I used it for my ODRS #94, based on a mix between ODRS #60, ODS #94 and the CRS v3. The reverb is in front of the Master volume, so the reverb driver gets a lot of signal to work with. Makes for a nice deep reverb reminiscent of the one in the Wonderland. ...
- Sat May 04, 2024 1:14 am
- Forum: Dumble Discussion
- Topic: Tube Town Transformers
- Replies: 4
- Views: 1575
Re: Tube Town Transformers
Havnt ordered any dumble transformers but have ordered Trainwreck transformers and various other things from them and have not been hit with vat or import duty whether this is the norm or not i dont know but was a pleasent suprise as i fully expected there to be charges. Have you tried Modulus amps ...
- Tue Mar 05, 2024 9:02 pm
- Forum: Technical Discussion
- Topic: Output transformers
- Replies: 10
- Views: 1294
Re: Output transformers
Plate voltage is 405dc and biased at 65% 22.6ma.
Tested on the oscilloscope and getting around 16 Watts, it's not 22 watts as advertised but is it enough to warrant sending it back
Tested on the oscilloscope and getting around 16 Watts, it's not 22 watts as advertised but is it enough to warrant sending it back

- Tue Mar 05, 2024 3:18 pm
- Forum: Technical Discussion
- Topic: Output transformers
- Replies: 10
- Views: 1294
Re: Output transformers
I was going to use a 1khz sine wave is this the best or use different frequencies For an accurate representation ?
- Tue Mar 05, 2024 1:25 pm
- Forum: Technical Discussion
- Topic: Output transformers
- Replies: 10
- Views: 1294
Re: Output transformers
Probably the best way is to put it on the oscilloscope and find out, if I had one
Luckily I can borrow one tonight and put it to the test.

- Tue Mar 05, 2024 11:03 am
- Forum: Technical Discussion
- Topic: Output transformers
- Replies: 10
- Views: 1294
Re: Output transformers
Sorry forgot to mention it's got a pair of 6v6s
- Tue Mar 05, 2024 6:33 am
- Forum: Technical Discussion
- Topic: Output transformers
- Replies: 10
- Views: 1294
Output transformers
Just bought a Dirty Shirley clone with an advertised 22w power rating for a good price on ebay and upon receiving it opened it up and found it had a Hammond 1608A output transformer, this transformer has wide bandwidth 30hz - 30khz and is rated for 10watts. The person I bought it from is adamant it ...
- Sun Feb 11, 2024 10:20 pm
- Forum: Dumble Discussion
- Topic: AA Electronics Dumbleator
- Replies: 5
- Views: 2115
Re: AA Electronics Dumbleator
I used the bridge rectifier before the AA board and adapted the input on the board and got perfect voltages with same transformer.
- Sun Feb 11, 2024 8:46 pm
- Forum: Technical Discussion
- Topic: Dumble Faceplate help
- Replies: 2
- Views: 386
Re: Dumble Faceplate help
Right managed to flip the writing but have no idea how to flip the dials and faceplate maker wants it saved to cdr x14 or 2016 dxr also have no idea what software is involved with that


- Sun Feb 11, 2024 7:22 pm
- Forum: Technical Discussion
- Topic: Dumble Faceplate help
- Replies: 2
- Views: 386
- Sun Feb 11, 2024 6:52 pm
- Forum: Technical Discussion
- Topic: Dumble Faceplate help
- Replies: 2
- Views: 386
Dumble Faceplate help
Got a Blues master and 102 builds in chassis but no head shells as yet as been a bit cash strapped and managed to get hold of a couple of marshal style head shells for next to nothing as they were surplus to requirements at a local builder so had this brainwave of putting my dumbles in them but of c...
- Mon Jun 05, 2023 6:09 am
- Forum: Dumble Discussion
- Topic: AA pcb Bluesmaster
- Replies: 7
- Views: 1559
Re: AA pcb Bluesmaster
Have finished the amp now took awhile to get my head around the relays and jumpers but got there in the end
lovely amp. Dumbleator next.
When i get some time will document the changes to the pcb and layout for future referance.

When i get some time will document the changes to the pcb and layout for future referance.
- Sun May 21, 2023 1:20 pm
- Forum: Dumble Discussion
- Topic: AA pcb Bluesmaster
- Replies: 7
- Views: 1559
Re: AA pcb Bluesmaster
Trying to get my head around the different wiring for the relays between 102 and 183 and a bluesmaster i have i think realised they are basically the same just had a mental block with the master going to the ralay and then onto the send on the loop on the bluesmaster and on 102 it goes straight to t...