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In Reply to: RE: Components aren't musical instruments, they're reproduction devices. posted by h_h on April 16, 2010 at 15:15:18
..I won't argue my experience of beneficial resonance anymore than any tube guy should argue the beneficial presentation of odd harmonics by tubes...
Cheers, Duster
;-D
Follow Ups:
believe it is the even harmonics not the odd numbered ones.
Stu
-snip-
Some aficionados who prefer Class A amplifiers also prefer the use of thermionic valve (or "tube") designs instead of transistors, especially in Single-ended triode output configurations for several claimed reasons.
For those who prefer low distortion figures, the use of tubes with Class A (generating little odd-harmonic distortion, as mentioned above) together with symmetrical circuits (such as push-pull output stages, or balanced low-level stages) results in the cancellation of most of the even distortion harmonics, hence the removal of most of the distortion.
-snip-
Yeah push pull cancels out much of all harmonics since both halves are working in opposition, but that doesn't explain single ended stuff, where there is no cancellation. Pure Class A is single ended for the most part. There is no symmetrical half.
Stu
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