Empee said:how do you mean that, without DC in the primairy ?
A choke betwen the plate of the output tube and Ub+ and a blocking condenser betwen the plate and the output transformer primary, the second connection of the primary to earth.
Originally posted by Empee Primairy remains 1K7.
If 8 ohm speaker used on 3 ohm tap primairy acts as 5.1K
EL34SE ? [/B]
only in the mid-frequencies; for lower frequencies the primary inductance is important.
Regards Andreas
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