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Re: what determines the "speed" of an amp?

209.179.251.129

Suzy, this explanation is really dumb! There are significant differences between tubes and ss, but the fact that tubes are somewhat more class A than solid state, does not change the 'speed' of the amp. Technically, ss is usually faster, because it can have a higher slew rate than tubes and much higher peak current output as well. Tubes are usually 'smoother' sounding because the harmonic distortion is primarily low order. This is not always so with ss. Many tube designs slowly roll off the high frequencies, well before solid state amps would begin to roll off. This is normal, because tubes have less global negative feedback than ss, and feedback tends to extend bandwith. I would be very wary of this salesperson, in future.



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