Thanks for your reply and I understand your predicament. Once heard, engagement is very hard to do without.
Charles
Krell anticipator circuits of the 1990s
"Krell FPB-600 Stereo Power Amplifier
This big power amp features the evolution of the plateau biasing circuit introduced in the KSA series of amps. This circuit anticipates the power demands of the output by monitoring the incoming signal as the demand for power increases, the more power the amplifier supplies. After a grace period of fifteen seconds and no additional high current signal demands, the Krell FPB-600 amplifier returns to its appropriate power setting. This feature allows for Class A bias output without all the wasted electricity and heat."
Do you believe the anticipator can up the bias quickly enough? A guy hits a huge bass drum, the anticipator circuit senses this and ups the bias in time for the hit to be amplified in Class A?
We are talking a micro second. Once he hit it the start of the moment was over. This was a con. Created by Krell because they were under pressure from the emerging green lobby to cut power consumption. Qualified Krell service engineers have not been able to explain to me how it can work.
Me? I still have my KRS200s. Pure Class A. So there's my answer.
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@invalid What makes you sure the circuit is fast enough? What evidence do you have? I know of no evidence that has been published? Of course it can be compared in the same way any alternative components are compared. Listen to one, then the other. |
@invalid You used the term 'sounds better'. We are comparing different amplifiers all the time and expressing opinions as to which sounds better (to the listener). None of these has the same circuit design, yet we express opinions, sometimes vehemently. By the way, what makes you sure the circuit is fast enough?? |
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