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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: Yes, I can see that in a totem pole, posted by Ralph on July 25, 2012 at 10:59:23:
That's what I said.
Turning back to the topic of the original post I think that we can agree that OTL amps are not so popular because:
1) they exhibit a larger parts count (i.e. they have a more expensive bill of materials) w.r.t. conventional PP; this limits their interest for DIY people too.
2) in order to get good results (in terms of not only absolute audio performance but also in terms of reliability and durability) there are only a few proven designs, i.e. circlotron/Atma Sphere (non totem pole), Futterman/Trascendent (totem pole).
3) the only nowadays readily available tubes for OTL designs are 6AS7/6080 and 6C33; all other OTL tubes of the past are very difficult to find and/or too expensive.
Best Regards
Luca
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Follow Ups
- RE: Yes, I can see that in a totem pole, - 6AS7_6SN7 23:41:55 07/25/12 (4)
- Did you forget about the EL509/PL509? - Ralph 09:58:04 07/26/12 (3)
- "Futterman legacy"? - Lew 10:42:26 07/27/12 (2)
- RE: "Futterman legacy"? - Ralph 14:33:07 07/27/12 (1)
- RE: "Futterman legacy"? - Lew 16:38:19 07/27/12 (0)
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