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Active audio mixer design & Op-Amp considerations
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supershirobon:

--- Quote from: Audioguru on November 28, 2018, 11:00:46 pm ---
--- Quote from: supershirobon on November 28, 2018, 01:19:31 am ---Wikipedia says the Max Vpp for consumer level Line Level audio is 0.894 volts.
--- End quote ---
No, they say 0.894V p-p is the nominal consumer line level. The nominal level is a timed average with loud peaks frequently exceeding the nominal level. The peak levels are determined by the crest factor that they do not say. I think a crest factor of 12dB (4 times) is common but it could be more. 4 x 0.894V= 3.58V p-p which is very close to the 5V power supply you are using if the opamp is not rail-to-rail. Clipping sounds baaaad! (But sounds good for acid rock).

--- End quote ---

Ah, I see now. Thanks!
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