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In Reply to: RE: NOS vs New Tubes posted by SirAnthony on June 01, 2016 at 23:46:42
I like the 6550 black plates but I also like the reissue Genelex KT88s..The Tungsol black plates are a slightly different sound but all too often I have found that output tubes don't display the differences that driver/PS/voltage amp, and preamp tubes do because the amplification factor is just not that high by comparison..When you have 12AX7s with a gain or 80 to 100,that shows just how high the sensitivity is of the smaller tubes.
I totally agree with you on the JJ 6922..That is a hell of a great tube and they are low microphonics from my experience.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Follow Ups:
Ya I agree. There are some good new production tubes out there.
to produce now with former telefunken tools or "modern" machines does not guarantee good tubes at all!
former experts retired or are dead, their experience and know how is lost.please make your own conclusions about those facts...
The times, they are changing...
Edits: 06/03/16
to produce now with former telefunken tools or "modern" machines does not guarantee good tubes at all!
former experts retired or are dead, their experience and know how is lost.
You are so right..My favorite are the Telefunkens...Anthony and I just said there are some good tubes out there and to say there isn't is just dishonest..While we don't have the craftsman today that they had at RCA,Telefunken,Raytheon,Western Electric,etc,we can't discount the fact that tubes have improved over the last 20 years and as more artful people hone their skills,tubes should get better yet.
Telefunkens have been the best dual triodes and EL84s in my collection and this is why I have so many...I don't believe the new labeled telefunkens are anything like the original and I won't pretend that they are.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Most current production tubes are not of the same quality NOS tubes. This is especially true with small signal tubes. None of the current 12AX7's hold a candle to the NOS types. I've provided NOS 12AX7's to gutiar guys, and they all were amazed with the difference in sound.
I'll agree about the re-issue KT-88's, as they are pretty good. My amps use 1625 output tubes, which I find are one of audio's better kept secrets. They are a 6L6 with better power handling requirements. Very well made, high quality, and not expensive.
"What this country needs is a good 5 watt amplifier!" (Paul Klipsch)
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