> I was reading in the "Op-Amp Cookbook", to save power, the LM324 uses a > Class B output stage, not Class AB. So that accounts for the high crossover > distortion. Yes. That makes the remark about worsened AC performance of the LP324 (compared to the LM324) so funny. Only to us, who have "audio" in mind when they read "AC", of course. JH.