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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Dog sh*t pinched waist E88CC posted by Mendel on April 2, 2014 at 14:47:16:
Hey there. Amperex PW 6922 are a fine sounding tube. But what bugs me is that someone at some point said the pinched waist was done to reduce microphony. I am not sure of the real reason, but can say they made it that way for a year so if it was better why did they change it? And they are by far the most microphonic 6922 I have ever tested. And they are not durable, statistically.
In an application where a lot of gain is not needed you can get a away with it. The SP-9 used one half of a 6DJ8 for the line atage and the other half for the phono. Most of the gain was j-fets. In the SP-14 the entire tube is dedicated to the phono stage, but as I recall most of the gain was j-fets also. So it won't be difficult to please if you have a lesser quality tube.
All this goes on my memory. But I think I'm right.
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Follow Ups
- RE: Dog sh*t pinched waist E88CC - Kevin Deal 09:40:58 04/07/14 (0)
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