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Old 8th June 2012, 05:50 PM   #11
monsterevo is offline monsterevo  United States
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Well thanks guys, my questions have been answered.
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Old 8th June 2012, 08:46 PM   #12
jan.didden is offline jan.didden  Europe
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Originally Posted by CBS240 View Post
As a drummer I know that the crash cymbal is rarely played without a bass drum or snare note at the same time. This can present a problem if the amplifier differential gain/phase is affected by the signal. Changes in the gain of the amplifier that is related to the signal is called AIM or amplitude intermodulation distortion and this is related back through the feedback loop affecting the imput stage creating phase distortion or PIM. IMO, significant amounts of this type of distortion is very detrimental to the 'sound' of the amplifier. The sound stage suffers greatly and you begin to lose the separation between the instruments in the program material. [snip]

While this is certainly true, it is also true that any halfwit designer knows how to avoid it. It's a non-issue for all but the most amateurish designed amps.

jan didden
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