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5 May 2022
5. The following circuit can be used as part of a loudspeaker crossover network. These networks can be pictured as frequency sensitive voltage dividers. This circuit allows low frequency tones to go into the low frequency transducer labeled here as "Loudspeaker", a.k.a. woofer. The crossover frequency is the frequency f at which the reactance magnitude XL. equals the woofer's resistance.
If the woofer resistance is: R = 4 and L=1 mH.
5a) Calculate the crossover frequency
Answer (1 pt):
5b) Find P F, S, P A V G and Q at 2000 Hz for an harmonic wave (i.e. sinusoidal signal) with a peak amplitude of 1 V.
Answer (4 pts):
5. The following circuit can be used as part of a loudspeaker crossover network. These networks can be pictured as frequency sensitive voltage dividers. This circuit allows low frequency tones to go into the low frequency transducer labeled here as "Loudspeaker", a.k.a. woofer. The crossover frequency is the frequency f at which the reactance magnitude XL. equals the woofer's resistance.
If the woofer resistance is: R = 4 and L=1 mH.
5a) Calculate the crossover frequency
Answer (1 pt):
5b) Find P F, S, P A V G and Q at 2000 Hz for an harmonic wave (i.e. sinusoidal signal) with a peak amplitude of 1 V.
Answer (4 pts):
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6 May 2022