[email protected] edge transient response is of little interest for music reproduction, because music does not have sharp trailing edges. This characteristic is used in the restoration of antique records, to disciminate between musical transients, and media damage (scratches). The record is played backwards, and any transient seen under this condition is identified as noise, and edited out.
sean...I think that the "textbook" value of acceptable slewrate is correct, but what has not been talked about is slew "acceleration". Maybe two amps achieve the same slew rate, but one gets up to that rate quicker, and this might permit greater fidelity in following transient waveforms.
Do you know how slew rate is measured? (The procedure). In the case of digital pulse rise time measurement, we measured time between 10percent and 90 percent of the pulse amplitude. The circuit may take less time to go this 80 percent of the amplitude than to go the other 20 percent.
sean...I think that the "textbook" value of acceptable slewrate is correct, but what has not been talked about is slew "acceleration". Maybe two amps achieve the same slew rate, but one gets up to that rate quicker, and this might permit greater fidelity in following transient waveforms.
Do you know how slew rate is measured? (The procedure). In the case of digital pulse rise time measurement, we measured time between 10percent and 90 percent of the pulse amplitude. The circuit may take less time to go this 80 percent of the amplitude than to go the other 20 percent.