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XCard Crossovers
Additional crossover card frequencies are available for specialized requirements. You can get the following
XCards from your Authorized Rockford Fosgate Dealer.
Energy Storage Capacitors
Energy Storage Capacitors are used to provide extra current needed by amplifiers to reproduce musical transients.
The capacitors also have the natural ability to filter AC ripple caused by the alternator, reducing the chance of noise
in the system. The capacitors are available in a variety of values and will maximize both the sound quality and
performance that Rockford Fosgate amplifiers can deliver.
®
ATTENTION: We recommend your Authorized Rockford Fosgate Dealer install your new accessory.
• Recommended capacitance is 1 farad per 1000 watts
– 39 –
XM50 = 50Hz XM200 = 200Hz
XM70 = 70Hz XM275 = 275Hz
XM80 = 80Hz XM400 = 400Hz
XM100 = 100Hz XM4.5k = 4,500Hz
XM150 = 150Hz XM6.5k = 6,500Hz
XM00 = Blank card for
custom crossover
1.0
®
the connecting
® ®
1 farad • 20 VDC • 95°C
1.0
cap
punch
Battery +
REM
Power
Dual B+ Dual GND
Crossover Card
High Pass
Low Pass
Full Range
R1
R2
R1
R2
FULL