High Efficiency Speaker Asylum: Not the amp class or amp topology by Jon Risch

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Not the amp class or amp topology

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Jon Risch

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In Reply to: OT - Can class H and some hollow-state lose close-spaced kick-drum pulses? posted by freddyi on April 18, 2004 at 12:54:38:

But rather the amp's AC coupling and how well it has been implemented.
If there are too many RC poles stacked up for LF roll-off (not that uncommon these days), then bass definition can suffer, and the bass notes wil run together at some frequency or rep rate.
It is basically about envelope distortion, something you have never seen tested in a retail consumer magazine (or very many pro publications either).
See:
http://www.audioasylum.com/audio/general/messages/219136.html
for more on this.
A simple cure is to use very large RC time constants, and stagger them by at least an octave apart.

Jon Risch

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Topic - OT - Can class H and some hollow-state lose close-spaced kick-drum pulses? - freddyi 12:54:38 04/18/04 ( 7)

Not the amp class or amp topology - Jon Risch 04/18/04 15:24:15 04/18/04 ( 4)
- Re: Not the amp class or amp topology - djk 20:06:39 04/18/04 ( 1)
  - Re: Not the amp class or amp topology - what happens if "no loop"? - freddyi 07:07:37 04/19/04 ( 0)
- Re: Not the amp class or amp topology - freddyi 15:53:09 04/18/04 ( 1)
  - Re: Not the amp class or amp topology - Jon Risch 18:57:46 04/19/04 ( 0)
Re: OT - Can class H and some hollow-state lose close-spaced kick-drum pulses? - Dominic 13:39:26 04/18/04 ( 1)
- Re: OT - Can class H and some hollow-state lose close-spaced kick-drum pulses? - freddyi 14:39:26 04/18/04 ( 0)