Peter!! Help need with Herbert

[Timonac]

Hi,

i got a herbert 001/765, so quite new.
i got huge probs with microphony
i changed v1, but still the same problem

could this help http://www.tube-town.net/ttstore/produc ... --rot.html

don't know what the problem could be.

or could one of the el34 be the problem?!?!?

 

[Peter Diezel]

It can be any tube, but I would check the preamptubes first.
Also the new one can be microphonic. You need highgrades
for V1 and V2.