Search found 473 matches

by Oddvar R
Tue Aug 21, 2018 12:35 pm
Forum: Dumble Discussion
Topic: Parts preferences
Replies: 3
Views: 560

Re: Parts preferences

I often wonder if these differences are audible for most people?
by Oddvar R
Fri Aug 17, 2018 8:20 pm
Forum: Dumble Discussion
Topic: Parts questions
Replies: 16
Views: 1940

Re: Parts questions

Hi and thanks, do you have any not polarised ones?
by Oddvar R
Fri Aug 17, 2018 3:39 pm
Forum: Dumble Discussion
Topic: Parts questions
Replies: 16
Views: 1940

Re: Parts questions

Will this be ok?

Omron-G6A-234P-ST15-US-DPDT-PCB-Mount-Relay-12V-dc
by Oddvar R
Fri Aug 17, 2018 7:50 am
Forum: Dumble Discussion
Topic: Parts questions
Replies: 16
Views: 1940

Parts questions

Hi. I am about to build a Dumble ODS# 183 and I wonder a bit about some parts that I haven't experienced before and was hoping to get some help here: 1) There seem to be two relays on two separate boards, any advise on what to buy? 2) There is a AMIGO transformer Y048A-006, I use 230v, any advise on...
by Oddvar R
Wed Aug 15, 2018 8:44 pm
Forum: Dumble Files
Topic: BOM list
Replies: 2
Views: 5579

Re: BOM list

Thanks, that's helpful.
by Oddvar R
Wed Aug 15, 2018 7:26 am
Forum: Dumble Files
Topic: BOM list
Replies: 2
Views: 5579

BOM list

Hi. Is there a BOM-list for the OD 183 somewhere??
by Oddvar R
Sat Apr 21, 2018 9:16 pm
Forum: Technical Discussion
Topic: Hoffman 18 watt stout
Replies: 20
Views: 8574

Re: Hoffman 18 watt stout

I have built 14 tube amps, Soldano Slo 100 w was my latest but this is the one that I have some trouble with. I suspect it might be grounding issues. I have changed all the parts three times, even the filter caps. I have measured all the voltages and I am as far as I see now, within tolerable limits...
by Oddvar R
Sat Apr 21, 2018 7:34 pm
Forum: Technical Discussion
Topic: Hoffman 18 watt stout
Replies: 20
Views: 8574

Re: Hoffman 18 watt stout

Hi. I have just built the Stout, and I have great difficulties in making it work. It began with a loud hum, but with sound. At the moment there are no sound from the input, but the volume and treble works, at least making some changes to the overall sound, relatively high pitch. Anywhere I can begin...