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In Reply to: RE: 'lined up'... posted by Ivan303 on January 03, 2021 at 15:10:59
I was thinking of things like differing signal delay through the different 3 amps, multiple source cables, multiple speaker cables. Need a 3 way crossover, with the associated complications. Then the speaker coherence - 3 physically distant speakers per side perhaps needing to achieve point source equivalent.
Maybe none of these things stack up, or are relevant. Perhaps the performance increase is worth the complexity. That is why I am curious. A fair amount of work and complexity compared to a single stereo set amp, single source and speaker cables, and a single / coax speaker.
Follow Ups:
I'm thinking the biggest problem is with volume and the different efficiencies of the amps themselves. As you turn up or down the volume all your amps will not stay in sync unless their specs are exactly the same.
The other "tell" as to a reason not to do this, is because nobody that really knows what they are doing does this(like the old super smart Western Electric and Altec engineers). Only weekend warrior audiophile types do this.
But sub 80Hz is probably OK.
I use a transformer volume control, a Bent Audio NOH. Several options from various vendors, but the transformer quality is a critical factor.One of the components that is real game changer when I switched to it. Again, a simplification in the signal path, with no amplification, no resistive loss/shunting, and effective 'load matching'.
I can't imagine returning to an active preamp, unless I needed the amplification (which I don't).
Edits: 01/14/21
If I had these, maybe I wouldn't be bi-amping them.
Sort of what I was thinking, although the high priced spread....
Impressive speakers, and large volume cabs with Altec 604s also do very well. Amp looks nice, but does not look SET ?
Not sure what he uses to drive them.
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