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<blockquote data-quote="pitsirikos theodoros" data-source="post: 90682" data-attributes="member: 1839"><p>ΚΑΙ ΓΙΑ ΤΗΝ ( 5965<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>This industrial tube is close enough to the 12AT7 that audiophiles have started buying them up and commenting on the low noise of this tube. It most likely is because it has a lower gain, a mu of 47 compared to 60 of a 12AT7. It is kind of like using a 5751 in place of a 12AX7--the lower gain being the main difference. These tubes are still plentiful, and are really well made. GE made a fine version of this tube in their "5-Star" broadcast line. A few have an extra mica spacer on top, known as "triple mica" and noted for lower microphonics. There is also a rare Telefunken version of this tube with long plates. ΘΑ ΚΑΤΣΟ ΑΥΡΙΟ ΝΑ ΣΤΑ ΜΕΤΑΦΡΑΣΟ ΟΣΟ ΜΠΟΡΟ ΚΑΛΙΤΕΡΑ</p></blockquote><p></p>
[QUOTE="pitsirikos theodoros, post: 90682, member: 1839"] ΚΑΙ ΓΙΑ ΤΗΝ ( 5965:) This industrial tube is close enough to the 12AT7 that audiophiles have started buying them up and commenting on the low noise of this tube. It most likely is because it has a lower gain, a mu of 47 compared to 60 of a 12AT7. It is kind of like using a 5751 in place of a 12AX7--the lower gain being the main difference. These tubes are still plentiful, and are really well made. GE made a fine version of this tube in their "5-Star" broadcast line. A few have an extra mica spacer on top, known as "triple mica" and noted for lower microphonics. There is also a rare Telefunken version of this tube with long plates. ΘΑ ΚΑΤΣΟ ΑΥΡΙΟ ΝΑ ΣΤΑ ΜΕΤΑΦΡΑΣΟ ΟΣΟ ΜΠΟΡΟ ΚΑΛΙΤΕΡΑ [/QUOTE]
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