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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: RE: WECo 91A/B--Long, but hopefully informative posted by maxhifi on November 22, 2014 at 12:46:51:
To the best of my knowledge (gilmorneau, correct or expand if you have something!) the original output transformer was built on a core shape that has not existed for decades. Not having seen one, or the winding design, or heard one, I won't even guess about performance!
The Peerless TFA-204 was apparently designed as a replacement unit for the Model 91. I have experience with the Magnequest version of this design (Mike has the design archives) which, while a wonderful transformer in its own right, cannot handle the Model 91's 70mA of DC plate current without moving into saturation territory on loud bass signals. I would guess that the movies being shown in the forties and early fifties did not normally have much bass below 50-100Hz, so this would not have been a problem. But for these reasons I would suggest getting a larger and more capable output transformer for audiophile use.
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- RE: WECo 91A/B--Long, but hopefully informative - Paul Joppa 21:55:13 11/22/14 (0)
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