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8
XA2125, XA275, XA250
®
2 Speakers + Subwoofer
Important
When running a subwoofer and two full-range
speakers together (Tri-mode operation), high
and low pass filters must be used. Failure to
install these filters may damage your amp and/
or speakers.
Bridged Subwoofer
Freq. Speaker Impedance
Hz 2 OHMS 4 OHMS 8 OHMS
LC L C L C
80 4.1mH 1000µF 8.2mH 500µF 15mH 250µF
100 3.1mH 800µF 6.2mH 400µF 12mH 200µF
130 2.4mH 600µF 4.7mH 300µF 10mH 150µF
200 1.6mH 400µF 3.3mH 200µF 6.8mH 100µF
250 1.2mH 300µF 2.4mH 150µF 4.7mH 75µF
400 .8mH 200µF 1.6mH 100µF 3.3mH 50µF
600 .5mH 136µF 1.0mH 68µF 2.0mH 33µF
800 .41mH 100µF .82mH 50µF 1.6mH 26µF
1000 .31mH 78µF .62mH 39µF 1.2mH 20µF
1200 .25mH 66µF .51mH 33µF 1.0mH 16µF
1800 .16mH 44µF .33mH 22µF .68mH 10µF
4000 .08mH 20µF .16mH 10µF .33mH 5µF
Capacitor
C
Inductor
L
X-OVER
LPF
HPF
FULL
4Ω
2Ω
=
2Ω minimum
4Ω
=
4Ω minimum
2Ω
2Ω
RR
–
LL
BRIDGE
4Ω
minimum
X-OVER
LPF
HPF
FULL
RR
– LL
BRIDGE
6236 XA2CH_E.p65 5/7/01, 2:07 PM8