Valvestate 8040 transformer taps

[dweingarden]

I bought a Valvestate 8040 used. Looks like parts have been replaced before and the boost channel is not working.
The voltage on the tube's heater is...

[JamesFilth]

Hi!
I recently bought used Marshall VS100 combo. I noticed that it hissess a little bit on clean channel. It's not that loud, but it's slightly annoying....

[brady]

Hey everyone, I'm new here so be gentle. I purchased a Marshall AVT100 Valvestate 2000 1x12 combo amp off of a coworker of mine because he gave me a good...

[Tahoeblues]

I have a Marshal Valvestate 8080 that recently developed a loud hissing noise in both channels. It seems to get louder as the gain is increased. It still...

[avoverdu]

Hello guys, Im new here in the forum. I bought a Marshall Valvastate VS100R with reverb for a few bucks that has a hum issue and I need some help/advise....

[wimhoff]

I have a Marshall AVT50x I acquired on a trade. The original problem was you could hear the distortion channel 2 low and barely hear...

[Trfsrfr]

Hello,

Nice little forum you guys got going here. This is my first post, but after perusing your site for a few days I think I am probably in...

[MarshallMallow]

Hi everyone, nice forum you have here. I am an amateur electronics hobbyist who is having problems with a Marshall VS100R that is about 16-17 years old....

[Gtr_tech]

I got a few of these from an Ebay vendor and they are not exactly a drop in replacement, but they work fine with a couple mins of tweezing. And....they're...

[john_guitar]

Greetings,

A have a Marshall Valvestate 8100 and it is producing no sound at all and the tube does not glare at all. I assume there is an...

[Shane.]

I have a Marshall Valvestate 8100 model and there is no sound produced via line out or through cab also the Channel select LED's dont work.
I've taken...

[seventh_burn]

ok i have NO idea whatsoever as to how to read an amp's schematics sheet (wiring diagram or call it what you may...to me its the damn paged whriten in antient...

[NovTech]

My Marshall VS100 head has a problem...

Here are the symptoms;

Clean channel is fine, although it does have a slight...

[jamman1701]

Hey guys I'm new to the forum.

I have a VOX AD120 VTX head. And the other day I noticed while I was playing that the sound suddenly dropped...

[Lozza]

Hi,

Am having a couple of problems with my Marshall 8080:

1: Sometimes no sound will come from the "Normal Channel",...

[fleshtwister]

Can anyone help me? I have a Marshall VS100 combo. I found this thread and it seems people here might have an idea of what's wrong.

I replaced...