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Primaluna - Rolling pre tubes question...


I'm new to rolling tubes, and have been using the stock 12AU7.
I've a PL Prologue premium integrated with 2 12AU7's per channel. I want to test a new pair(before investing in more), so wondering if front or rear position would best reveal the new tubes character?

Thanks,
Darren
dmhenley

Showing 3 responses by tswisla

tswisla
176 posts
 
Hello,

I have a PL Dialogue Premium preamp and I am looking to buy a few tubes.  Just want to be clear so that I don't waste my money.  I only need to replace 2 or 4 of the 6 12au7s?  Please advise!  Thank you.
tswisla
176 posts
 
If I can get away with only switching out 2 tubes (1 pair) then I can really splurge!  Just to be clear, this is for a preamp.  Thank you.
tswisla
176 posts
 
Kevin wrote, " First, in preamps all the small signal tubes have an equal effect on the sound and you can change out just one pair if you want" which confuses me.  If they have an equal effect, would you not have to change out all of them?
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