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Advent designed this two-way crossover for the 575 speaker. Save nearly half off the original retail price--the inductors alone are worth nearly $10--through this Parts Express exclusive factory buyout. All inductors are solid core type. The tweeter capacitor is poly.
A 2,000 Hz 2nd-order Butterworth high-pass for the tweeter uses a 0.25 mH inductor, a 0.14 mH inductor (in series to add values), and a 3.5 µF capacitor. An L-Pad is formed using a 7 ohm resistor in parallel, with a 1.5 ohm resistor in series.
For the midrange section, a 200 Hz, 1st-order Butterworth high-pass filter uses an 85 µF capacitor. The 3,000 Hz 2nd-order Butterworth low-pass uses a 0.45 mH inductor and 10 µF capacitor.
See the Manuals/Resources section for a crossover schematic.
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