2. amps-preamps
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High Current vs high power

Hi!

Often you hear/read comments that the current matter more than the power (example Nait) and one should look for high current more than high power etc.?

Can anyone explain that or debunk the myth (my limited physics knowledge tells me that power and current are interrelated for the same voltage and impedance)?

Also, which amplifiers (pre power or Integrated) have 'higher current' than their peers at same power ratings? Is there any specification that shows the current capability of the amp which one can read and compare? like power, THD etc.?

Thanks
K
kelpie

Showing 1 response by arh

arh
366 posts
 
Most speakers like high current. The signal going into a power amp is usually high voltage and low current. The amp reverses this to low voltage and high current. In solid state amps if the power doubles from 8 ohms to 4 ohms it probably is high current. In tube amps it is usually a function of how big the power supply is.
Alan
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