Quote:
Originally Posted by mbates14
Anyone have the schematic, or at least the tube socket wiring diagram for one of these?
Someone replaced Socket 6 in this one and of course when I stick a 12AU7 in there, it only lights half of it at twice the brightness. Yikes.
So in essence, I am sure it is wired wrong. but does someone have the proper schematic or wiring diagram?
Thanks.
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Most tube checkers check the 12AU7 at 12 volts. It could be that the wiring going to pins 4 or 5 and 9 is reversed.
I'm not too familiar with the 667, as I have the 707 and a 747.
Look on the internet. There's information on the 707 but not sure about other models.