Rockford Fosgate 2X - Manual (Page 9)

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The information below describes the various considerations for
mounting and connecting the active crossovers. For additional infor-
mation see the wiring diagrams beginning on page 10.
We recommend mounting the crossover as close to the amplifier(s) as
possible.
The B+ (Power) supplies power to the unit. Connect this terminal to
a constant +12 Volt power source by way of an in-line fuse.
The GND (Power Ground) grounds the unit. Connect this terminal to
the chassis of the vehicle. When grounding the unit be sure to scrape
all paint from the metal to ensure a clean electrical connection.
The REM (Remote Turn-On) turns on the unit by way of a +12 Volt
supply source. Connect this terminal to the source unit’s “Amplifier”
or “Auto Antenna” lead, either of which will go to +12 volts whenever
the source unit is on.
If your source unit does not have either a Remote or an Auto Antenna
lead (or if the Auto Antenna goes down during tape operation), we
recommend installing a switch to control the unit manually.
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ONNECTIONS
The Punch Electronic Crossovers are designed for preamp (input up
to 2VRMS) levels. Net gain in the crossover is unity. (Output levels are
equal to input levels.)
When connecting the input and output terminals be sure to use high
quality shielded interconnecting RCA cables.
• Connect source unit's OUTPUT jacks to the desired crossover
INPUT jacks.
• Connect the desired crossover’s OUTPUT jacks to the Amplifier’s
INPUT jacks.