by two4fifteen » Mon Oct 09, 2006 6:34 am
Ryan from Ohio wrote:
I wonder if RCs challenge applies to putting a class D mono amp up to a set of componets then a class A/B to said same comps. IMO, at that point you should probably be able to hear a difference. It may be harder on subs, but given the right sub (true SQ) it may be possible...
just to highlight it since its a long read and this point is toward the end.
"guys---the sound quality issue of amps once again raises its ugly head----i ahve no reservations of including class D amps in my amp challenge and have done so in the past---for years dave and i have been strong proponents of class D as it just makes sense---yes it is harder to do class D at higher frequencies but not impossible---its just not as important as we usually reserve most of our power for the lows anyhow----and as for actual efficiencies i have posted such numbers in earlier threads---they are probably in the archives by now but at full power 70 to 85 is typical for class D and 55 to 60 is normal for class a/b-----at one third power (the most important due to the nature of duty cycle of music) the a/b is usually about 25 to 30% and the class d is about 50 to 60 percent........RC "
[quote="Ryan from Ohio"]
I wonder if RCs challenge applies to putting a class D mono amp up to a set of componets then a class A/B to said same comps. IMO, at that point you should probably be able to hear a difference. It may be harder on subs, but given the right sub (true SQ) it may be possible...[/quote]
just to highlight it since its a long read and this point is toward the end.
"guys---the sound quality issue of amps once again raises its ugly head----i ahve no reservations of including class D amps in my amp challenge and have done so in the past---for years dave and i have been strong proponents of class D as it just makes sense---yes it is harder to do class D at higher frequencies but not impossible---its just not as important as we usually reserve most of our power for the lows anyhow----and as for actual efficiencies i have posted such numbers in earlier threads---they are probably in the archives by now but at full power 70 to 85 is typical for class D and 55 to 60 is normal for class a/b-----at one third power (the most important due to the nature of duty cycle of music) the a/b is usually about 25 to 30% and the class d is about 50 to 60 percent........RC "