Hi Dave,
Yes, I think we are pretty much in agreement at this point. Apologies if some of my comments came across as a poke in the eye; that certainly wasn't my intent.
I would emphasize that since the contribution to impedance that is caused by inductance ("inductive reactance," which is measured in ohms) is directly proportional to frequency, and increased inductance in the power wiring may therefore be helpful to some degree with respect to reduction of high frequency noise, that potential benefit may trade off against the ability of the power wiring to quickly respond to abrupt changes in demand for current. Such as the brief high current spikes we have referred to, which as I indicated may contain significant frequency components up to tens of kHz, or perhaps even more in some circumstances.
I would expect that concern to generally be greatest in the case of power amplifiers or integrated amplifiers whose output stages operate in Class AB or Class D, for which AC current demand fluctuates widely with the dynamics of the music.
Regarding the first question in your last post, I can't provide a knowledgeable answer.
Good one re taxes :-)
Best regards,
-- Al
Yes, I think we are pretty much in agreement at this point. Apologies if some of my comments came across as a poke in the eye; that certainly wasn't my intent.
I would emphasize that since the contribution to impedance that is caused by inductance ("inductive reactance," which is measured in ohms) is directly proportional to frequency, and increased inductance in the power wiring may therefore be helpful to some degree with respect to reduction of high frequency noise, that potential benefit may trade off against the ability of the power wiring to quickly respond to abrupt changes in demand for current. Such as the brief high current spikes we have referred to, which as I indicated may contain significant frequency components up to tens of kHz, or perhaps even more in some circumstances.
I would expect that concern to generally be greatest in the case of power amplifiers or integrated amplifiers whose output stages operate in Class AB or Class D, for which AC current demand fluctuates widely with the dynamics of the music.
Regarding the first question in your last post, I can't provide a knowledgeable answer.
Good one re taxes :-)
Best regards,
-- Al