Adjusting Crossover Frequency; Infrasonic Filter (P600.1 Bd); Operation - Rockford Fosgate P325.I Installation & Operation Manual

O
PERATION
ADJUSTING CROSSOVER FREQUENCY (P325.1)
Placing the switch in the HP position sets the amplifier to the High Pass mode, enabling frequencies above
the cut-off point to pass, adjustable between 40-400Hz.
Placing the switch in the AP position sets the amplifier to the All Pass mode, preventing any crossover
adjustment, allowing all frequencies to pass.
Placing the switch in the LP position sets the amplifier to the Low Pass mode, enabling frequencies below
the cut-off point to pass, adjustable between 40-400Hz.
Turn the crossover adjustment knob all the way down.With the system playing, turn the crossover
adjustment knob up slowly until the desired crossover point is achieved.
ADJUSTING CROSSOVER FREQUENCY (P600.1 bd)
The crossover frequency can be adjusted between 35-250Hz.The crossover is set to LP (Low Pass)
operation only.
Turn the crossover adjustment knob all the way down.With the system playing, turn the crossover
adjustment knob up slowly until the desired crossover point is achieved.

INFRASONIC FILTER (P600.1 bd)

Placing the switch to "ON" engages a 28Hz infrasonic filter limiting the amount of low frequency
information going to the woofer. Set this to your personal preference while listening to the system one
way, then the other.
NOTE: We recommend using the infrasonic filter when using small diameter woofers with this amplifier.
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