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Bandpassing the Midrange
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• The Fanatic Component Systems are optimized for full range music reproduc-
tion. In cases where a subwoofer is used, the midrange can be bandpassed in
order to prevent overlapping frequencies from the midrange into the
subwoofer.
1.Determine the frequency range that the subwoofer will play (i.e.: 20Hz-80Hz)
2.Use the low-pass crossover frequency of the subwoofer system (i.e.: 80Hz) as
the high-pass crossover frequency for the midrange
3.Select the appropriate capacitor value (i.e.: 500µF) to properly bandpass the
midrange
4.Place the capacitor in series with the “+” terminal of the speaker
Frequency Speaker
Hertz (4 ohms)
C1
80Hz 500µF
100Hz 400µF
130Hz 300µF
200Hz 200µF
260Hz 150µF
400Hz 100µF
+
TWEETERINPUT
-
MIDRANGE
+
- +-
+
–
0dB
–3dB
80Hz
Subwoofer Midrange Tweeter
C1
6dB/octave HP