[KH]

On 4/15/2015 6:27 AM, Shaun wrote:
"Dave" wrote in message ...

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I really doubt that your AVR is using class D for the main speakers, that is
pulse width modulation and requires a filter to remove the carrier frequency
(PWM frequency), it would be a difficult design - if not impossible for a
full range amp. For subwoofers it is fine since they have a limited
frequency range. Usually class D is only used for subs.

Sansui was well known for making very good analog tuners - they would
probably be the best selectivity and sound quality.

Shaun

Full range Class D amps are everywhere these days. From Theta, to Mark
Levinson, to NAD and a host of others.

Keith