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.
It's a mono block amplifier with 8 KT 88 and 6 small tubes ( 4 rectifier, 2 preamp). And in this food chain, it's my understanding the 2 preamp tubes probably impact sound the most. So this is where I want to spend my money.
The Mono amplifier uses 4 12AT7 tubes and while four seems a bit much for rectifying (ie converting AC to DC) maybe two are devoted to this worthy cause and then it leads to the question what are the other tubes used for . I thought preempt tubes were a way to describe use of this tube within an amplifier (ie taking the week analogue level signal from the pre-amplifier and turning it into a stronger line Signal) and is this also considered to be a signal tube?
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