Omega_ELS Posted 8 hours ago Report Posted 8 hours ago Reference Amplifier for Electrostatic --------->>>>>>>> what do you think? does it look good or bad? found this on the net today Quote
spritzer Posted 1 hour ago Report Posted 1 hour ago The pics are too low res to make any values out but it looks like it is multiple opamp stages feeding into a low power push-pull stage. I wouldn't call that reference in anyway. The person doing this doesn't seem to understand RMS values and that bias supply is super sketchy... None of those resistors are rated for that voltage. Clearly voltage divider into RC filters but one 2010 resistor to ground and the ballast is a 1/4W unit? Yeah... no. Quote
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