#1
Hey guys

when i change the rectifier select switch on my dual rectifier it doesnt work on the vacum tubes (normal) selection but it works sweet as a nut on the silicon dioides (high power) selection, anybody have a reason why?

everything else is working fine

cheers

phil
#2
maybe the 5U4 tubes are blown/defective? not too experienced with mesas, though i could go for one about now...
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#3
I would imagine that it probably means you need a new 5U4 rectifier tube, but take someone else's advice over mine lol.
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#4
^ yeah, that sounds like it. the recto tube. or something else in that part of the circuit that the silicon diodes don't use (probably only the tube, but I'm not familiar with the schematic).
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