DGarretson
If I understand what you are saying is that amp designers used high uf electrolytics caps in part because the ESR is so bad that compensation was needed in uf in size?
You say that film caps have 1/100 the Electrical Series Resistance of eletrolytics? That's huge?
Can you explain for me and others what ESR means for sound and how do designers calculate how much is needed and how does ESR fit the calculation. Meaning the reduction of uf needed with lower ESR.
I have only replaced one power supply cap and it was vintage to Jensen Electrolytic and the Jensen sounded much harder. The Jensen is quiet with no noise but I was frustrated that the sound did not improve in fact going the other way. (Jensen was much smaller)
I must say as well that cap in the power supply made a big effect in sound quality. The only tough part was I could not test by going channel to channel like coupling but by memory which of course I do not like to use. I just stopped with the power supply and am stuck as to what to do? (power supply cap wise)
If I understand what you are saying is that amp designers used high uf electrolytics caps in part because the ESR is so bad that compensation was needed in uf in size?
You say that film caps have 1/100 the Electrical Series Resistance of eletrolytics? That's huge?
Can you explain for me and others what ESR means for sound and how do designers calculate how much is needed and how does ESR fit the calculation. Meaning the reduction of uf needed with lower ESR.
I have only replaced one power supply cap and it was vintage to Jensen Electrolytic and the Jensen sounded much harder. The Jensen is quiet with no noise but I was frustrated that the sound did not improve in fact going the other way. (Jensen was much smaller)
I must say as well that cap in the power supply made a big effect in sound quality. The only tough part was I could not test by going channel to channel like coupling but by memory which of course I do not like to use. I just stopped with the power supply and am stuck as to what to do? (power supply cap wise)