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In Reply to: RE: PP or parallel SET integrateds posted by saki70 on April 07, 2014 at 15:04:21
And I ultimately preferred SET.
For reference the PP amp was the very nice VAC Renaissance 30/30 push pull triode (300B) in Class A zero feedback...I don't think push pull tube gets much better than this frankly. That said, I would still be open to trying something like the Coincident 211 PP or the Antique Sound Labs Cadenza (845 PP) or even Canary Audio monoblocks (again 300B PP).
I currently have the NAT Symbiosis SE, which is not a normal SET as it actually uses a single big MOSFET on the output (the rest is tube) but it is single ended. It seemed overall slightly more coherent and of one piece (I can kind of hear that PP amps are splitting up the sound somehow...maybe my imagination but it is a persistent feeling).
I will be getting soon a JJ-322 parallel 300B amp with about 20 watts and I can then give feedback on what a true all tube SET sounds like with them.
I have Ref 3a Master Control MMC speakers with Be tweeter upgrade and a pair of Ref 3a L'Integrales with Seas Excel tweeter upgrade (big improvement from the original Vifa tweeters that were in both).
Follow Ups:
morricab ;
Thank you for your input .
Regarding your desire to try an 845pp , the 845 SET amps that I have seen would provide enough power for your or mine speakers in a straight SET circuit . I don't believe that the additional power derived from a PP circuit would be needed . I would try this amp myself if I lived in a cooler climate , as the 845 tube gets quite warm ! Just my opinion YMMV .
I would be interested in knowing how any of those amps , that you want to try , work out for you .
Happy Tunes
saki70
Yes an 845 SET would work just fine. I would recommend you try one from New Audio Frontiers if you can swing that kind of money...very good sounding amps!
Another one that sounds very good but for not so much money is the Cary CAD-572SE monoblocks. They make an honest 20 watts from their 572-3 tube and sound very alive and dynamic. Good amps for around $1500 - 2000.
I always wanted to try a parallel 300B SET so I am going for a JJ 322 stereo amp. It is truly dual mono though with two separate power supplies in the same (beautiful) chassis.
Please let me know how that parallel circuit is compared to the pp version .
Happy Tunes
saki70
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