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Post by cashandkerouac on May 10, 2007 21:50:19 GMT -7
Why does the Mini use a SS rectifier instead of a tube rectifier? thanks.
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Post by JChance on May 11, 2007 20:34:55 GMT -7
My guess would be that Dr. Z thought it sounded better. Probably helped hold the bottom end a little tighter since it's such a low wattage amp. Generally, I'd say it's safe to say that Z build his amps as they sound best to him.
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Post by Dana {aka gp} on May 11, 2007 23:18:50 GMT -7
As I understand it, because a single-ended amp like the Mini Z is running its power tube full throttle at all times, you can never experience any of the 'sag' that a tube rectifier provides in a push-pull circuit.
That being the case, all a tube rectifier would offer on a Mini Z is increased cost (for all the extra parts) and reduced reliability (from the extra parts and the additional heat).
Cheers,
-Dana
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Post by cashandkerouac on Jun 2, 2007 8:41:06 GMT -7
thanks for the feedabck. i am seeing SS rectifiers commonly used in low wattage amps these days, probably for the reasons cited above - cost, consistency, reliability, reduced heat, etc. victoria and swart are about the only two companies not using SS rectifiers in their 5-watters (nor any of their other models for that matter). whether tube rectifiers are "better" is partly a matter of opinion, partly a function of the preference of the builder, and partly dictated by the electrical requirements of the amp's design. unless it is a 100-watt marshall, which to my knowledge pretty much has to have a SS rectifier, i am just a tube guy i guess. cheers.
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