So I'm gonna buy some preamp tubes for an amplifier and now I see I have to choose between ribbed and smooth plate (nos telefunken Germany from the 60s).
Anyone have thoughts on which way I should go when I have speakers that are detailed.
. . . ohhh, so they are MC9011s? I just did a cursory read on them--interesting amps. Anyway, Mac is calling the two 12AX7s the signal tubes for the amp. Which is not what I would call a "preamp tube" (I would call a preamp tube a tube in the preamp) but I guess it doesn't matter what you call it.
I wonder what the 12AT7s are for? Inputs or drivers into the ss section?
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