where to measure the Ipeak of class A amplifier?
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 18th February 2013, 07:57 PM #1 rhythmsandy diyAudio Member   Join Date: Aug 2012 where to measure the Ipeak of class A amplifier? where to measure the Ipeak of the class A amplifier? for one pair of output is it at the source resistor so example if the voltage measured at source resistor is 220mv with source resistance of 0.22 ohm then the output current is 1Aamp so is this the peak current? or 2Amps is the peak?
 18th February 2013, 08:03 PM #2 jan.didden   diyAudio Member     Join Date: May 2002 Location: The great city of Turnhout, BE The peak current is twice the quiescent current. Suppose the quiescent current is 1A as in your example. That current can go up, at the limit of class A, to 2A, because at that point the 'other' output side goes to zero current. Alternatively, if the 'other' output side goes to the 2A, then 'this' output side goes to zero. Therefor, each output side can go from zero to 2A, so that's the peak output voltage. Didn't hurt, did it? jan __________________ Cable: a potential source of trouble interconnecting two other potential sources of trouble - Erik Margan Linear Audio pubs and articles . The SilentSwitcher now at diyaudio store SilentSwitcher. Keeping in touch with SY.
 18th February 2013, 08:21 PM #3 rhythmsandy diyAudio Member   Join Date: Aug 2012 so how do we calculate that how much amount of heat each output device is dissipating? in the above case... we it didnt hurt only heat hurts...we are getting ready for the summer...

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