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Title: Higher Gain Tube
Post by: CowboyJakeB on May 27, 2012, 04:45:16 AM

(http://www.made-in-zelenograd.com/images/upload/ru/2825/8.jpg)

I read that this big russian 12AX7 has a gain of 100-150 whereas a normal 12AX7 only has 100, true?

Title: Re: Higher Gain Tube
Post by: Mr. Foxen on May 27, 2012, 07:05:39 AM

Sounds a bit made up, the fain factor is kind of a determining thing as to being a 12AX7, and more would generally come at the cost of something else, like how much current the push or something.

Title: Re: Higher Gain Tube
Post by: dunwichamps on May 27, 2012, 10:17:26 AM

for any tube there may be a statistical distribution of what you might consider higher gain tubes with mu's that are larger than the average but i dont think these claimed mu's mean much.

Title: Re: Higher Gain Tube
Post by: Hemisaurus on May 27, 2012, 11:18:18 AM

http://lampyelektronowe.pl/karty_katalogowe/karta_katalogowa_12ax7vka_voskhod.pdf (http://lampyelektronowe.pl/karty_katalogowe/karta_katalogowa_12ax7vka_voskhod.pdf)

According to the mfg. the amp factor varies between 85 - 110 averaging at about 91.

Title: Re: Higher Gain Tube
Post by: CowboyJakeB on May 27, 2012, 11:41:17 AM

OK, thanks.

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General Category => Jam Room => Topic started by: CowboyJakeB on May 27, 2012, 04:45:16 AM