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Re: Agree about different systems, but this is the only...

Also, before anyone here takes DeKay's comments as gospel, please look at his system. He uses single driver speakers, and 2A3 SE open loop amplification.

I find it amazing that on the basis of a tube's performance in that system he would assume it sound the same in a push-pull amp with NFB. Or a preamp that uses common cathode and anode follower gain stages. And so on.

It is entirely possible that a CV4024 would not perform well in his setup. Having a 12AT7 drive an SE output is a bit of a special task, no doubt. 12AT7s have high even order THD compared to most small dual triodes. In a push-pull amp the output stage cancels much of the even order distortion. In an SE stage that's not the case. In other words I believe it's unrealistic to say that based on performance in a setup like his that any 12AT7 is either bad or good - outside of his own system.

If indeed the CV4024 Mullards were as bad as he says, why would there be so many reports of people who really enjoy and like them? The answer is they aren't bad tubes, they apparently aren't the right tube for his system.

I use CV4024s in the first stage of my "McShane" amp. Ask anyone who's heard it how it sounds... Go check the "El-Cheapo" thread on the Decware forum. The CV4024 is outstanding in the El-Cheapo amp... Jayme and many VTL owners love them... etc., etc...

So keep that in mind when you read his comments.



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