200w power amplifier hifi

749

10:20:35

with dual source 50v
hifi model

published 2 years ago

drkblader12

2 years ago

You do realize that the output coupling cap is only necessary for single supply amplification. For dual supply, your audio signal rides on a floating ground essentially. Look at your output before and after capacitor and you will see that they are practically the same. It won’t hurt anything, but it does limit low end frequencies and causes more phase shift than would otherwise be present. Someone please tell me if I’m wrong here.

drkblader12

2 years ago

If you had a single supply, your audio would be riding a dc voltage which is the sum of DC+AC. The couple essentially only takes the things that are changing as an outlet.

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