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Studio/Performance Amps for High-End Systems?

As a practicing (hobbyist) keyboard player and audiophile, I am familiar with why one would not use a guitar amplifier for a keyboard, for example. But, I notice that some of the finest brands of high-power power amplifiers for recording studios or live performances (QSC, Crest, Crown and more) cost hundred or thousands of dollars less than high-end "audiophile" power amplifiers of similar or fewer watts/channel. The specs of these musicians' amps, designed to play 20-20K full-range sound through very low impedances (often as low as 1 ohm) seem to equal those of, say, a McCormack, Classe, Krell amp.
Is there something I'm missing here? If one needs 500 wpc or more, why buy a McCormack DNA-500 for $7K when you can get a QSC with 800 wpc into 8 ohms, capable of driving a 1 ohm load, for $2500?
toxrtp

Showing 1 response by dogue

dogue
7 posts
 
As a fellow pianist (and keyboardist/electronicist), I'm interested in this, but from a slightly different angle: I'm interested in using home speakers in performance. The ultimate goal is a higher-quality sound that fits in acoustically with other instruments, even though the source may be a keyboard or laptop. This motivation has resulted in things like this hemispherical speaker:

http://www.electrotap.com/hemisphere/

I'm wondering if a Ohm Microwalsh, for instance, could be driven with a small instrument amplifier (Acoustic Image?).

Any thoughts?
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