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My first problem was a bad rectifier tube (fuse blows)-10 days to solve this problem My second problem is Now I feel that the amplifier does not work like it should. I note the following changes: -fluctuate in volume and definition of sound -sometimiems has less gain -sometimes in the same...

Thanks again.

I was take out rectifier tube and Eureka the fuse no more blows out, than I was also try with GZ 34- fuse no more blows on Standbay. :mrgreen: :mrgreen: :mrgreen: EJ domct203 You are my hero. I have another question. Can I run amp without the rectifier tube?

Can I try replace the rectifier tube on MKV whith jj tube GZ 34 and see what happen?

It is set correct to 6L6

I was tryed that, but the fuse blows out again. I will take it back at the dealer. thanks

Shoud I set first two chanel to diode and third chanel to pentode? And it is imprtant how to set the switches on chanels 15,45 or 90 W?

Why blows the fuse on my MARK V on Standby? When I switch the power on my mark, the fuse blows out after one second. What could be wrong? Are possible power tubes or is this any other problem.

What that mean? Are this already made in the factory?

Yesterday I tested my triaxis whith the other one. My triaxis has a lower output signal - almost a half power than the other one. I changed the all preamps tube, but there was nothing better. What could be wrong?

Which type of potentiometer for presence control on mesa 20/20 should I buy? THX

It´s your mesa 20/20 moded? How works this Tungsram set on deep mod?

Now I have mounted in my power amp JJ tubes but Im not statisfied whith a sound-to many acuity.Im runing triaxis with mesa 20/20 Which el 84 power tubes to buy for mesa 20/20? Anybody know who make the tubes for Mesa Boogie?

I need output transformer for mesa 20/20. Where to find in Europe and how much cost?

One of output jack on my mesa 20/20 is damged. Where I can find a new one or which type of jack is suitable? Perhaps is this right? http://www.banzaieffects.com/Switchcraft-SC-111-closed-pr-17591.html PICTURE

Can I solve this problem with a new power tubes? Anyone?

The first chanel volume on mesa 20/20 working fine. But when I try to open a second chanel volume I recive less power than on chanel one. From 7 to10 oclock working fine, but when I turn more than 10 the power remain the same. Thanks for any sugestion.

Thanks

Because my plate is not the same like a picture above. For moding my mesa 20/20 shoud I remove this two yallow capacitor? thanks for replay PICTURE

Where is the difference between Stiletto stage 1 and 2. What are they changed on stage 2?