Rockford Fosgate Punch 2X, Punch 5X, Punch 3X Owner's Manual
O
WNER’S
M
ANUAL
2X, 3X
AND
5X
E
LECTRONIC
C
ROSSOVER
Dear Customer,
Congratulations on your purchase of America’s finest brand of car audio compo-
nents. At Rockford Fosgate we are committed to musical reproduction at its best,
and we are pleased you chose our product. Through years of engineering expertise,
hand craftsmanship and critical testing procedures we have created a wide range
of products that reproduce music with all the clarity and richness you deserve.
For maximum performance we recommend you have your new Rockford Fosgate
product installed by an Authorized Rockford Fosgate Dealer, as we provide
specialized training through Rockford Technical Training Institute (RTTI). Please
read your warranty and retain your receipt and original carton for possible future
use.
To add the finishing touch to your new Rockford Fosgate image order your Rockford
wearables, which include everything from T-shirts and jackets to hats and
sunglasses.
To get a free brochure on Rockford Fosgate products and Rockford accessories,
please call 1-800-366-3565 or FAX 1-602-966-3983 in the U.S. For Canada, call
Korbon Trading at 905-567-1920. For international orders FAX 001-1-602-9678132 or call 001-1-602-967-3565.
PRACTICE SAFE SOUND™
CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB
MAY CAUSE PERMANENT HEARING LOSS. HIGH POWERED AUTO
SOUND SYSTEMS MAY PRODUCE SOUND PRESSURE LEVELS WELL
OVER 130dB. USE COMMON SENSE AND PRACTICE SAFE SOUND.
If, after reading your manual, you still have questions regarding this product, we recommend that you see your Rockford Fosgate dealer . If you need
futher assistance, you can call us direct at 1-800-795-2385. Be sure to have
your serial number, model number and date of purchase available when
you call.
The serial number can be found on the outside of the box. Please be sure
to record it in the space provided below as your permanent record. This will
serve as verification of your factory warranty and become useful in recovering your product if ever stolen.
Serial Number: __________________________________________
Model Number: ___________________________________
TABLE OF CONTENTS
Punch 2X, 3X and 5X Packing List................................................1
Introduction .................................................................................1
Operating Features .................................................................1
Design Features............................................................................2
1. Gold Plated RCA Jacks ....................................................... 3
2. Power Terminals ................................................................3
3. LED Power Indicator ..........................................................3
4. PROCards ..........................................................................3
5. Input Mode Switch (3X and 5X only) ..................................3
6. Phase Switch (3X and 5X only) ...........................................4
7. Mounting Holes .................................................................4
8. Fusing ................................................................................4
Installation Considerations ...........................................................5
Mounting and Wiring the Active Crossover .................................. 6
B+ ..........................................................................................6
GND ......................................................................................6
REM ....................................................................................... 6
Input/Output Levels & Connections........................................6
Selecting the PROCards ...............................................................7
Using The Dual Filter (3X and 5X only) ........................................ 8
Installing the PROCards ...............................................................8
Filter Effects..................................................................................9
Wiring Diagrams........................................................................10
Appendix A - Building A Custom PROCard................................18
Butterworth Resistor Chart..........................................................19
Specifications.............................................................................20
Warranty....................................................................................21
PUNCH 2X/3X/5X PACKING LIST
Punch Electronic Crossover
Owner's Manual
This manual provides information on the features, installation and
operation of the Punch 2X, 3X and 5X Electronic Crossover. We
suggest you save this manual for future reference.
We strongly recommend you have your Authorized Rockford Fosgate
Dealer install your new active crossover. If you do choose to install the
unit yourself, please be sure to read the entire manual before beginning your installation.
OPERATING FEATURES
The Punch 2X, 3X and 5X Electronic Crossovers provide for state-ofthe-art flexibility and performance demanded by today’s car audio
enthusiasts. Features include:
PROCards – 3-Way Selectable Electronic Crossover modules that
feature 12dB per octave filters that give precise crossover points and
allow for individual selection of high-pass, low-pass or full range filter
operation.
Dual Filtered, Non-Faded Output with Phase Reversal Switch (3X
and 5X only) allows you to create various pass band configurations.
In addition, the phase reversal switch enables you to easily correct for
phase problems that may be inherent in some system designs.
2 Channel Input on the Punch 2X
2 or 4-Channel Input Mode Switch (3X and 5X only) enables you to
select two (2) or four (4) channels of input.
4 Outputs on the Punch 2X
6 Outputs on the Punch 3X for Front, Rear and a Dual-Filtered, Non-
Faded Output.
10 Outputs on the Punch 5X – In addition to the outputs found on the
Punch 3X, the 5X also has Front and Rear Dual-Filtered Outputs for
creating additional pass band filter combinations.
Gold Plated RCA Input and Output Jacks reduce corrosion which can
cause signal deterioration over time.
– 1 –
INTRODUCTION
DESIGN FEATURES
REMOVING THE COVER
The design of the 2X, 3X and 5X allows the cover to be removed for
access to the crossovers and ease of installation. The cover can be
installed in either direction to match the rest of the system. The top end
of the cover has two tabs which fit snugly into slots at either end of the
base. Care must be taken not to bend the securing tabs when removing
the top cover. A screw secures the cover. Remove this screw to release
the cover for removal.
Punch 3X - Top Inside View
7
Front Input
Rear Input
1
3
2
Rem
B+
GND
7
Front Output
Dual Filtered Non-Faded Output
Rear Output
4
5
6
8
1
– 2 –
Rem
B+
GND
3
Input
1
1
Output
Output
4
7
2
Punch 2X - Top Inside View
8
– 3 –
Punch 5X - Top Inside View
Rem
B+
GND
7
8
6
27
1
Front Input
Rear Input
Front Output
Front Dual-Filtered Output
3
Dual Filtered Non-Faded Output
Rear Dual-Filtered Output
Rear Output
1
4
5
1. Gold Plated RCA Jacks
All input and output RCA jacks are gold plated. The gold plated
finish resists tarnishing and corrosion from interfering with the
signal quality.
2. Power Terminals
The B+, Rem and Gnd connections are made using gold plated
screw terminals on the barrier strip. The gold plating resists tarnish
and corrosion and maintains connection integrity. The terminals
allow easy connection of the power wires through the use of forked
lugs or bare wire up to 12 gauge. The barriers help prevent shorting
from frayed wires.
3. LED Power Indicator
The LED, located by the input jacks, provides a visual indication of
the status of the crossover, lighting when the unit is turned on.
4. PROCards
Crossover filter functions are determined by the use of plug in
cards. Each card can be configured for high-pass, low-pass and full
range operation. Resistors on each module determine the operating frequency.
5. Input Mode Switch (3X and 5X only)
When the input mode switch is in the two channel position the
front input jacks feed all the filters. When set to the four channel
position, the front and rear input jacks feed the respective filters.
Front and rear channels are summed for the non-faded filter.
6. Phase Switch (3X and 5X only)
The phase switch allows easy invertion polarity on the non-faded
output to optimize sound quality.
7. Mounting Holes
The crossover must be mounted on a flat surface. Two mounting
holes in the bottom are used to secure the crossover.
8. Fusing
The crossover has a 1/2 amp AGC fast blow power protection fuse.
If it is necessary to replace the fuse, use only the same type and
rating or the warranty may be voided.
– 4 –
INSTALLATION CONSIDERATIONS
This section focuses on some of the vehicle considerations for
installing your new Punch Electronic Crossover. Checking your
battery and current sound system, as well as pre-planning your system
layout and best wiring routes will save installation time. When
deciding how to lay out your new system, be sure that each component will be easily accessible for making adjustments.
Before beginning any installation, be sure to follow these simple rules:
1. Be sure to carefully read and understand the instructions before
attempting to install the crossover.
2. For safety, disconnect the negative lead from the battery prior to
beginning the installation.
3. For easier assembly, we suggest you run all wires prior to
mounting your electronic crossover in place.
4. Route all of the RCA cables close together and away from any
high current wires. this will help reduce noise.
5. Use high quality connectors for a reliable installation and to
minimize signal or power loss. See your Authorized Rockford
Fosgate Dealer for wire enhancements.
6. Think before you drill! Be careful not to cut or drill into gas tanks,
fuel lines, brake or hydraulic lines, vacuum lines or electrical
wiring when working on any vehicle.
7. Never run wires underneath the vehicle. Running the wires
inside the vehicle provides for best protection.
8. Avoid running wires over or through sharp edges. Use rubber or
plastic grommets to protect any wires routed through metal,
especially the firewall.
9. ALWAYS protect the battery and electrical system from damage
with proper fusing. Install a fuse holder and fuse on the +12V
power wire within 18” (45.7 cm) of the battery terminal.
10. When grounding to the chassis of the vehicle, scrape all paint
from the metal to ensure a good, clean ground connection.
Grounding connections should be as short as possible and always
be connected to metal that is welded to the main body, or chassis,
of the vehicle. Use of a continuity meter will confirm a proper
ground.
– 5 –
MOUNTING AND WIRING THE
ELECTRONIC CROSSOVERS
– 6 –
The information below describes the various considerations for
mounting and connecting the active crossovers. For additional information 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.
INPUT/OUTPUT LEVELS & CONNECTIONS
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.
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