Direct-coupled poweramp for bass-only?

Amp/Preamp Asylum

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If you were buying a poweramp for the bass sections of a speaker system that has biwire/biamps inputs and measurable and audible output to below 20HZ, would you be looking for a direct-coupled amp or an apparently-capacitor-coupled amp?

I've seen lots of amps with power bandwidths that extend 'only' to 5Hz, which does NOT meet the 3-octaves-below-lowest-audible-frequency rule of thumb. Byston's Cube-series 4B3, for instance, extends to 0.5Hz...which could make it a better-sounding bass amp; yes?

http://www.bryston.com/products/power_amps/4B-3.html

https://www.monoprice.com/product?p_id=15595

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The Cable Cooker

Topic - Direct-coupled poweramp for bass-only? - jeffreybehr 10:34:26 11/5/17 (7)

RE: Direct-coupled poweramp for bass-only? - fstein 14:16:26 11/6/17 (0)

Sanders Magtech might be worth a peek. - M-dB 20:33:38 11/5/17 (0)

RE: Direct-coupled poweramp for bass-only? - Caucasian Blackplate 19:32:07 11/5/17 (4)

You're missing the substance of the question. - jeffreybehr 20:02:29 11/5/17 (3)

RE: You're missing the substance of the question. - Caucasian Blackplate 06:10:18 11/6/17 (2)

RE: You're missing the substance of the question. - Davey 07:06:20 11/6/17 (1)

RE: You're missing the substance of the question. - Victor Khomenko 07:23:46 11/6/17 (0)

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