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Multi-Way Conventional loudspeakers with crossovers

Power Resistor Inductance Measurements
Power Resistor Inductance Measurements
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Old 25th April 2013, 12:43 AM   #11
davidsrsb is offline davidsrsb  Malaysia
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The only place in audio that resistor inductance is significant is the very low value emitter resistor in a power amplifier output stage. In that special case the inductance is often beneficial.
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Old 25th April 2013, 01:23 AM   #12
Mark Johnson is offline Mark Johnson  United States
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Power Resistor Inductance Measurements
Another place in audio that resistor inductance is significant, is loudspeaker crossover networks.
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Old 25th April 2013, 03:48 AM   #13
Conrad Hoffman is offline Conrad Hoffman  United States
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IMO people worry too much about resistor inductance. The only time it might matter is if you used ww resistors in the feedback network of an opamp or power amp with a lot of bandwidth, an unlikely place to use a ww.
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Old 25th April 2013, 06:53 AM   #14
davidsrsb is offline davidsrsb  Malaysia
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Quote:
Originally Posted by transistormarkj View Post
Another place in audio that resistor inductance is significant, is loudspeaker crossover networks.
Values used in crossover networks are usually between 1R (tweeter L-pads) and about 22R (shunt RC across woofer)
This range does not require too many turns and hence has small values of inductance (10s of uH), that just will not be significant at 20kHz
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