Efficiency of Crown amps

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#1 Deromax


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Posted 08 November 2011 - 08:12 PM

Hello!  Is there a way to get some graphs that would provide a Consummed power VS Output power?  Since efficiency is not constant with varying power output, such graphs would be useful to evaluate consumption against the intended use of the amp.  Yamaha provides such graphs in their user manuals.

I would be particularly interested to get the graphs for the XLS drivecore and the CTs amps with BCA.


#2 Tom Lureman

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Posted 29 November 2011 - 10:55 AM

Sorry, we don't have any such graphs readily available.  The tried and true "It gets more efficient the more power you run through it" is definitely true for both of these models, especially the CTs (BCA/Class-I amps in general).  BCA amps are relatively inefficient at low power, but gets significantly better as the power output goes up.