Vh4 help pls

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Andyvh4

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Hey folks new to this froum looking for somw help... i have a VH4 two tube fault lights have shown up... tubes still appear to be glowing as normal?? How do I know if it is a fuse issue??? Or a tube issue?? And if i replace tube will I have to bias?? Or can u replace tube and not worry about biasing??
 
not an expert but i would try changing to all new tubes first, set bias and change new fuse... if it still blow maybe other technical issues? do call Peter Diezel he is always on standby 24/7 here
 
Andyvh4 said:
Hey folks new to this froum looking for somw help... i have a VH4 two tube fault lights have shown up... tubes still appear to be glowing as normal?? How do I know if it is a fuse issue??? Or a tube issue?? And if i replace tube will I have to bias?? Or can u replace tube and not worry about biasing??
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It would be wise to change power tubes, bias and while biasing checking that everything is in order with your closes amp tech!
 
Got it back online.... new fuse new power tubes back to sounding angry!! Thanks

AB
 
Hi, did you have to re-bias after the new tubes?

Thanks
 
Hey folks looking at hooking up a second 4x12 mesa boogie to my VH4 where do I hook everything up ??? Without blowing anything up
 
Hey folks my VH4 is being a real bitch .... I am in Ontario Canada anyone know of a good reliable certified tech that can tame this beast??blew two more power tubes channels 3&4 😫
 
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