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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: 6SF5 to 45 design help posted by Alpha Al on August 24, 2014 at 18:53:19:
No, as soon as you parallel two high mu triodes you get a skewed effect which will be clearly audiible in these types of two stage amps. With a mu of 100 tube, everything is hyper critical to get it optimized, which few ever do !!
Parallel the 12AX7 input/driver stage and enunciation and diction will suffer, you won't be able to make out all the words sung in any prisine manner. Thats one of the things wrong with the Shishido L-W.
The 12AX7 is so critical in this spot, that if you parallel the dual triode RECTIFIER tubes, and use two 5U4Gs, it will skew the diction in the audio stages on voice. The "straight" E.E. types ( narrowly educated ) can't figure that one out it seems. Well, its clearly audible to any good listener!! I am thinking of diction and enunciation in terms say, of my fun to hear, wonderfully recorded D'Oyly Carte Gilbert and Sullivan original issue London L.P.s
Jeff Medwin
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- RE: 6SF5 to 45 design help - drlowmu 21:22:32 08/24/14 (0)
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