I did, and now it works. Thanks all for all help.
The 4 ohm from OT is going in here, to the 4k7 resistor?
When I remove the 4 ohm wire from...
It isn't at the highest, it lights up when I start the amp, then it dims down. It just seems bright on the pic. The strange thing it works, sort...
I have 100w bulbs, lots actually. When I use the bulb, the amp sounds normal in the speaker. It also reacts to master and volume and when...
In this build there are 5 grounding points. No 1 close to the jack inputs, the second and third between the El34's, fourth on the PT screw and the...
So the story evolves. I have now gotten to the point where it sound out, but it's some uncontrollable noise that in the end blows the fuse?
I wonder if it has something to do with the potentiometers on the board itself, I rotate it a bit, and suddenly I had some scratching sounds on...
V3 V2 V1
1:252v 430 432
3: 42 21 21.72
6: 448 410 429
7: 5.85 16 21
8: 42 21.90 22v
I use 240v transformer, it's a Hammond 290FEX.
It is 462v
AC to rectifier: 658ac
From rectifier 457,
I just checked that yesterday, and it seemed fine.
I have 21.75v there measured to ground, same on all pins...
That's interesting Vanyu, why do you think that? I mostly used that layout yes? But I have the schematics as well:...
Sorry about the vague kind of question. I am building a Dumble clone, and when I finished it there was sound going through, although not the...
Hi, I wonder what could cause too high voltage from filter caps? Might be a difficult question, but if there are some general rules?
Hi and thanks- I have two PT's from Hammond, 290fex and 290Dex, to be used in a Dumble build and a Bandmaster build. I always wonder where the...
H. Does the 0v CT always go two ground?
I have what used to be a Fender Pro Junior, I have installed parts on a turretboard and I am wondering if anyone could tell me where the...