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In Reply to: RE: Over my head posted by Bigjimsguitars on February 24, 2015 at 13:42:57
I need to get my eyes checked.
The two top resistors look like black, brown, black to me.
100 ohm would be brown, black, brown.
Good work. I'm glad you found it.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Follow Ups:
Drat:
Didn't fix it😤....will run it half power until I can drive it to Sacramento.,,,
Jim
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
On of the beauties of tube amplification is that you can bypass the hurt part and run them at half power. In the case of my VS110, it sounds amazingly good at half power even with Magnepan's.
Will get a thrift store amp (yuk) and then drive the ARC to Sacramento to be properly diagnosed and fixed.
Jim
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
to having it fixed.
The resistor under the board is the 100 ohm screen grid resistor. I can see that from the picture. It connects to pin 4. The two resistors on top are the 1 ohm resistors. One for the plate and one for the cathode. Did you check them?
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Tre...
I will give it another try tomorrow, I must have misunderstood the advice a guitar amp tech gave me. I put the damn 100 where the 1 goes and visa versa. Simple fix and hope it gets me back to full power😎.
Thanks to everyone for hanging in there with me.
Jim
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
.
Have Fun and Enjoy the Music
"Still Working the Problem"
Great news, I put the right value resistor on pin 4 and replaced the original resistor on pin 8 and everything appears to be right again, it biased up perfectly with a new tube in place. Needless to say, thank you to each and everyone here who told me I could do it and helped me when I needed it the most.
Later today I will give it a nice listening session😎.
Jim
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
.
Have Fun and Enjoy the Music
"Still Working the Problem"
Tre:
It does feel mighty good, especially when it sounds wonderful again! Just listened to Echos (Pink Floyd) and I was in the happy zone that only a good system can take you to.
Jim
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
.
Have Fun and Enjoy the Music
"Still Working the Problem"
It was the 1ohm, 2watt that fried😷
ARS VS-110
Customized Bottlehead Foreplay II Preamp
Magnepan 2.5R's
B&W ASW 300 Subs
Ah Troeb Tube CD player
MaggieMate X/O's from subs to 2.5R's
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