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R
O C K F O R D
The following accessories were designed to enhance the perfor-
mance of the Punch 4020 amplifier.
Energy Storage Capacitor
The Punch 1 farad capacitor is used to provide extra current
needed by amplifiers to reproduce musical transients. The Punch
Cap also has the natural ability to filter DC ripple caused by the
alternator which can result in noise in the system. The PCH-C1
will maximize both the sound quality and performance that
Rockford Fosgate amplifiers can deliver.
Punch Link
The Punch Link is a specially cast heatsink interconnect which
allows you to join any of our current Punch or Punch Power
amplifiers together. While providing additional cooling through
the coupling process, the Punch Link adds the finishing touch by
giving you the look of one awesome amplifier.
XCard
Additional crossover card frequencies are available for special-
ized requirements. You can get the following XCards from your
Authorized Rockford Fosgate Dealer.
XM50 =
XM70 =
XM100 = 100Hz
XM150 = 150Hz
XM200 = 200Hz
F
O S G AT E
(FG-LINK)
50Hz
70Hz
– 2 –
A
C C E S S O R I E S
(PCH-C1)
XM275 = 275Hz
XM400 = 400Hz
XM4.5k = 4,500Hz
XM6.5k = 6,500Hz
XM00
= Blank card for
custom crossover
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