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In Reply to: RE: power supply vs sound? posted by vinnie2 on February 23, 2015 at 11:12:52
This is tricky to answer, unless a Power Supply has been designed with very little headroom, with the most economical possible parts, with slim margins on resistor dissipation, slim capacitor voltage ratings and not implement a Choke filter to save$.
My experience with DIY tube and OEM tube products are that given a solid Power Supply design that follows good design practice, tube quality will have a bigger effect on the overall sound produced (if we set aside the circuit topology).
But the quality of the Output Transformer also comes into play as a third element.
Else why do people worship Telefunken's and Tango's and pay extra for premium tested tubes if normal type tubes could be elevated to the same level of performance by a great power supply design with no costs barred or a Edcor/Hammond made little difference than a Bartolucci or a Magnequest.
I go for the Output Transformers first, then the Tubes, then Power Supply.
“The bitterness of poor quality remains long after the sweetness of low price is forgotten”
Follow Ups:
But what about the TYPE of tube? 300B vs 2A3 vs 45 etc? That is my real question.
I would myself not try to compare between types, there are just too many variables involved.
I would say that comparing let's say 300B's in the same exact amplifier and operating conditions would yield some interesting results.
“The bitterness of poor quality remains long after the sweetness of low price is forgotten”
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