Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide & troubleshooting

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 1Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 2

BOOSTED RAIL 2 CHANNEL AMPLIFIER
PBR300X2

Installation & Operation 

INTRODUCTION

Dear Customer,
Congratulations on your purchase of the world’s finest brand of car audio amplifiers. At Rockford Fosgate, we are fanatics about 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.
Great product and competent installations are only a piece of the puzzle when it comes to your system. Make sure that your installer is using 100% authentic installation accessories from Rockford Fosgate in your installation. Rockford Fosgate has everything from RCA cables and speaker wire to Power line and battery connectors. Insist on it! After all, your new system deserves nothing but the best.
To add the finishing touch to your new Rockford Fosgate image order your Rockford accessories, which include everything from T-shirts to jackets and hats.
To get a free brochure on Rockford Fosgate products and Rockford accessories, visit our website at: www.rockfordfosgate.com
or, in the U.S. call 1-800-669-9899 or FAX 1-800-398-3985.
For all other countries, call +001-480-967-3565 or FAX +001-480-967-8132.

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 further assistance, you can call us direct at
1-800-669-9899. 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 record it in the space provided below as your permanent record. This will serve as verification of your factory warranty and may become useful in recovering your unit if it is ever stolen.
Serial Number: ______________________________________
Model Number: _____________________________________

NOTE: Review each section for more detailed information.

GETTING STARTED

SAFETY INSTRUCTIONS

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 3WARNING
This symbol with “WARNING” is intended to alert the user to the presence of important instructions. Failure to heed the instructions will result in severe injury or death.
Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 4CAUTION:
This symbol with “CAUTION” is intended to alert the user to the presence of important instructions. Failure to heed the instructions can result in injury or unit damage.
Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 5CAUTION: To prevent injury and damage to the unit, please read and follow the instructions in this manual. We want you to enjoy this system, not get a headache.
Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 6CAUTION If you feel unsure about installing this system yourself, have it installed by a qualified Rockford Fosgate technician.
Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 7CAUTION Before installation, disconnect the battery negative (-) terminal to prevent damage to the unit, fire, and/or possible injury.

Punch Boosted Rail PBR300X2 2-Channel Amplifier
Installation & Operation Manual

Speaker Harness (Output)
RCA/Speaker Harness (Input)

Visit our website for the latest information on all Rockford products.
www.rockfordfosgate.com

DESIGN FEATURES

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 8

  1. BRT(Boosted Rail Technology) LED – This LED illuminates when the unit is in boost mode.
  2. Power/Protect LED – This LED illuminates Blue when the unit is turned on and Red if a short circuit/low impedance is detected at the speaker connections or the amplifier’s internal components become too hot engaging the protection. The amplifier will shut down to cool if this occurs.
  3. Extruded Aluminum Heatsink – The extruded aluminum heatsink of the Punch amplifier dissipates heat generated by the amplifier’s circuitry.
  4. Speaker Harness Connection (Output) – The Molex connection port for the mating + and speaker harness.
  5. Remote Punch EQ (Optional Controller) – The Remote Punch EQ connection is made with an RJ-45 cable and can be installed in a variety of ways for easy control access. The control is used to boost low and/or high-frequency information to overcome road noise.
    NOTE: Punch EQ2 circuit is only active with the use of the OPTIONAL Remote Punch EQ. (RF Model# – PEQ)
  6. Variable Crossover – Is a built-in 12dB/octave Butterworth filter with a crossover point variable from 50Hz to 500Hz.
  7. Gain Control – The input gain control is preset to match the output of most source units. It can be adjusted to match output levels from a variety of source units.
  8. RCA/Speaker Harness Connection (Input) – The Molex connection port for the mating RCA/Speaker harness.
  9. Crossover Switch – Selectable switch for High-Pass (HP), All-Pass (AP), or Low-Pass (LP) operation.
  10. Variable High-Level Adjustment – With the High-Level Switch engaged a variable 4V to 6V DC(Direct Current) offset voltage input turn-on can be set.
  11. Power Terminals – The Molex connection port for the mating Remote/Ground/Power plug.

INSTALLATION

INSTALLATION CONSIDERATIONS

The following is a list of tools needed for installation:

Fuse-holder and fuse. (See specifications for fuse rating) Wire cutters Assorted connectors
Volt/Ohm Meter #1 Standard screwdriver Adequate Length—Power Wire
Wire strippers Battery post wrench Adequate Length—Remote Turnon
Wire
Wire crimpers Handheld drill w/assorted bits
1/8″ diameter heat-shrink tubing
Adequate Length—Ground Wire

NOTE: We recommend a 10 AWG wire for use on the power (B+) and ground (GND) connections.

This section focuses on some of the vehicle considerations for installing your new amplifier.
Pre-planning your system layout and best wiring routes will save installation time.When deciding on the layout of your new system, be sure that each component will be easily accessible for making adjustments.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 9CAUTION: If you feel unsure about installing this system yourself, have it installed by a qualified technician.
Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 10CAUTION: Before installation, disconnect the battery negative (-) terminal to prevent damage to the unit, fire and/or possible injury.

Before beginning any installation, follow these simple rules:

  1. Be sure to carefully read and understand the instructions before attempting to install the unit.
  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 unit in place.
  4. Route all of the RCA cables close together and away from any high current wires.
  5. Use high-quality connectors for a reliable installation and to minimize signal or power loss.
  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 the 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 the appropriate 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.

MOUNTING LOCATIONS
Engine Compartment
Never mount this unit in the engine compartment. Mounting the unit in the engine compartment will void your warranty.
Trunk Mounting
Mounting the amplifier vertically or inverted will provide adequate cooling of the amplifier.
Mounting the amplifier on the floor of the trunk will provide the best cooling of the amplifier.
Passenger Compartment Mounting
Mounting the amplifier in the passenger compartment will work as long as you provide a sufficient amount of air for the amplifier to cool itself. If you are going to mount the amplifier under the seat of the vehicle, you must have at least 1″ (2.54cm) of air gap around the amplifier’s heatsink.
Mounting the amplifier with less than 1″ (2.54cm) of air gap around the amplifier’s heatsink in the passenger compartment will not provide proper cooling and will severely affect the performance of the amplifier and is strongly not recommended.

BATTERY AND CHARGING

Amplifiers will put an increased load on the vehicle’s battery and charging system. We recommend checking your alternator and battery condition to ensure that the electrical system has enough capacity to handle the increased load of your stereo system. Stock electrical systems which are in good condition should be able to handle the extra load of any Punch Series amplifier without problems, although battery and alternator life can be reduced slightly. To maximize the performance of your amplifier, we suggest the use of a heavy-duty battery and an energy storage capacitor.

WIRING THE SYSTEM
CAUTION: If you do not feel comfortable with wiring your new unit, please see your local Authorized Rockford Fosgate Dealer for installation.
CAUTION: Before installation, disconnect the battery negative (-) terminal to prevent damage to the unit, fire, and/or possible injury.
CAUTION: Avoid running power wires near the low-level input cables, antenna, power leads, sensitive equipment, or harnesses. The power wires carry substantial current and could induce noise into the audio system.

  1. Plan the wire routing. Keep RCA cables close together but isolated from the amplifier’s power cables and any high-power auto accessories, especially electric motors. This is done to prevent coupling the noise from radiated electrical fields into the audio signal. When feeding the wires through the firewall or any metal barrier, protect them with plastic or rubber grommets to prevent short circuits. Leave the wires long at this point to adjust for a precise fit at a later time.
    NOTE: We recommend a 10 AWG wire for use on the power (B+) and ground (GND) connections.
  2. Prepare the RED wire (power cable) for attachment to the amplifier by stripping 3/8″ of insulation from the end of the wire. Insert the bared wire into the  B+ terminal and tighten the set screw to secure the cable in place.
    NOTE: The B+ cable MUST be fused 18″ or less from the vehicle’s battery. Install the fuse holder under the hood and ensure connections are water-tight.
  3. Trim the RED wire (power cable) within 18″ of the battery and splice in an inline fuse holder (not supplied). See Specifications for the rating of the fuse to be used. DO NOT install the fuse at this time.
    Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 11
  4. Strip 1/2″ from the battery end of the power cable and crimp a large ring terminal to the cable. Use the ring terminal to connect to the battery positive terminal.
  5. Prepare the BLACK wire (Ground cable) for attachment to the amplifier by stripping 3/8″ of insulation from the end of the wire. Insert the bare wire into the GROUND terminal and tighten the set screw to secure the cable in place. Prepare the chassis ground by scraping any paint from the metal surface and thoroughly clean the area of all dirt and grease. Strip the other end of the wire and attach a ring connector. Fasten the cable to the chassis using a non- anodized screw and a star washer.
    NOTE: Keep the length of the BLACK wire (Ground) as short as possible. Always less than 30″(76.2cm).
  6. Prepare the Remote turn-on wire for attachment to the amplifier by stripping 3/8″ of insulation from the end of the wire. Insert the bared wire into the  REMOTE terminal and tighten the set screw to secure the wire in place. Connect the other end of the Remote wire to a switched 12-volt positive source. The switched voltage is usually taken from the source unit’s remote amp on lead. If the source unit does not have this output available, the recommended solution is to wire a mechanical switch in line with a 12-volt source to activate the amplifier.
    Power Connection
    Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 12
  7. Securely mount the amplifier to the vehicle or amp rack. Be careful not to mount the amplifier on cardboard or plastic panels. Doing so may enable the screws to pull out from the panel due to road vibration or sudden vehicle stops.
  8. Connect from source signal by plugging the RCA cables into the RCA/Speaker Harness input jacks, then insert the four-pin Molex connector into the mating four-pin INPUT connector at the amplifier.
    Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 13NOTE: When the installation requires a High Level(Speaker) input, the RCA/Speaker Harness will need to be cut on the speaker wire side of the y- splitter. Then connect the white to the left(+), white/black to the left(-), grey to the right(+), and grey/black to the right(-) corresponding vehicle wires.
    Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 14Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 15
    Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 16CAUTION: Always ensure power is off or disconnected at the amplifier before connecting RCA cables. Failure to do so may cause injury, damage to the amplifier and/or connected components.
  9. Connect the speakers. Strip the speaker wires 1/2″ and connect to the Speaker Wire Harness, then insert the four-pin Molex connector into the mating four-pin SPEAKER connector at the amplifier. Be sure to maintain proper speaker polarity. DO NOT chassis ground any of the speaker leads as the unstable operation may result.
  10. Perform a final check of the completed system wiring to ensure that all connections are accurate.
    Check all power and ground connections for frayed wires and loose connections which could cause problems. Install inline fuse near battery connection.
    NOTE: Follow the diagrams for proper signal polarity.

OPERATION

REMOTE PUNCH EQ (Option)
NOTE: Previous (prior to 2007) Punch Bass and Para-Punch remotes will not work with these amplifiers.
NOTE: Use the instructions that came with the remote for a variety of mountings that fit your preference.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 17

Quick Install
1. Using the screws supplied, install the mounting clip.
2. Slip the remote onto the mounting clip until it snaps into place.
3. Route and connect the cable to the remote and amplifier.
Operation
4. This works along with the crossover switch on the amplifier.
When set to Low-Pass (LP) operation, this is a variable Bass Boost.
When set to High-Pass (HP) operation, this is a variable Mid-Bass and Treble Boost.
When set to All-Pass (AP) operation, both the Bass and Treble frequencies are boosted.
Set this to your personal preference while listening to the system.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 18CAUTION: Overexcursion and subsequent damage may occur at high levels of boost.

ADJUSTING CROSSOVER FREQUENCY
Placing the crossover switch in the HP position sets the amplifier to the High Pass mode, enabling frequencies above the cut-off point to pass, adjustable between  50-500Hz.
Placing the crossover switch in the AP position sets the amplifier to the All-Pass mode, preventing any crossover adjustment, allowing all frequencies to pass.
Placing the crossover switch in the LP position sets the amplifier to the Low Pass mode, enabling frequencies below the cut-off point to pass, adjustable between 50-500Hz.
Turn the crossover adjustment knob to the minimum setting. With the system playing, turn the crossover adjustment knob up slowly until the desired crossover point is achieved.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 19

VARIABLE HIGH-LEVEL ADJUSTMENT
Utilizing a 6V DC(Direct Current) offset voltage, the Punch Boosted Rail amplifier can be turned on/off allowing the REM to be used as an output to turn on/off an amplifier or other accessory.
The variable high-level adjustment can be used to delay the turn-on eliminating induced noise turn on/off pop.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 20

ADJUSTING GAIN
To adjust the gain setting, turn the amplifier gains all the way down (counter-clockwise). Turn the source unit volume up until distortion is audible and then turn it down a bit until the distortion is inaudible. This will be about all the way up on most source units. Next, increase the amplifier gain setting until the adequate volume is achieved.
NOTE: Best signal to noise and dynamic range are realized with the gain at a minimum. Most users find adequate gain and volume is achieved at about halfway in the adjustment range.
CAUTION: Avoid setting the amplifier gain very high as noise and distortion will increase significantly.
NOTE: For a more in-depth setting procedure, contact Rockford Technical Support.

TROUBLESHOOTING

NOTE: If you are having problems after installation follow the Troubleshooting procedures below.
Procedure 1: Check Amplifier for proper connections.
Verify that the POWER light is on. If the POWER light is on skip to Step 3, if not continue.

  1. Check in-line fuse on battery positive cable. Replace if necessary.
  2. Verify that Ground connection is connected to clean metal on the vehicle’s chassis. Repair/replace if necessary.
  3. Verify there is 9 to 16 Volts present at the positive battery and remote turn-on cable. Verify quality connections for both cables at the amplifier, stereo, and battery/fuse holder. Repair/replace if necessary.

Procedure 2: Protect light is on.

  1. This is a sign of a possible short in the speaker connections. Check for proper speaker connections and use an ohmmeter to check for possible shorts in the speaker wiring. Too low of a speaker impedance may also cause Protect to light.
  2. In the event that the speaker connections are not the issue, check for proper speaker impedance and rewire if needed. This can also be a sign of driving the amplifier at very high power levels without adequate airflow around the amplifier. Shut off the system and allow the amplifier to cool. Check that the vehicle charging system is maintaining proper voltage. If the previous items do not solve the problem, a fault may be in the amplifier, call customer service for support.

Procedure 3: Check Amplifier for audio output.

  1. Verify good RCA/Speaker input connections at stereo and amplifier. Check the entire length of cables for kinks, splices, etc. Test RCA/Speaker inputs for AC volts with stereo on. Repair/replace if necessary.
  2. Disconnect RCA/Speaker input from the amplifier. Connect RCA/Speaker input from test stereo directly to amplifier input.

Procedure 4: Check Amplifier if you experience Turn-on Pop.

  1. Disconnect input signal to the amplifier and turn the amplifier on and off.
  2. If the noise is eliminated, connect the REMOTE lead of the amplifier to the source unit with a delay turn-on module.

OR

  1. Use a different 12 Volt source for the REMOTE lead of amplifier (i.e. battery direct).
  2. If the noise is eliminated, use a relay to isolate the amplifier from noisy turn-on output.

OR

  1. In a high-level (speaker) input application the Variable High-Level Adjustment can be used to delay the turn-on eliminating turn on/off pop.

Procedure 5: Check Amplifier if you experience excess Engine Noise.

  1. Route all signal-carrying wires (RCA, Speaker cables) away from power and ground wires.
    OR
  2. Bypass any and all electrical components between the stereo and the amplifier(s). Connect stereo directly to input of the amplifier. If the noise goes away the unit being bypassed is the cause of the noise.
    OR
  3. Remove existing ground wires for all electrical components. Reground wires to different locations. Verify that grounding location is clean, shiny metal free of paint, rust etc.
    OR
  4. Add secondary ground cable from negative battery terminal to the chassis metal or engine block of vehicle.
    OR
  5. Have alternator and battery load been tested by your mechanic? Verify good working order of a vehicle electrical system including distributor, spark plugs, spark plug wires, voltage regulator etc.

SPECIFICATIONS

MODEL- PUNCH PBR300X2
Continuous Power Rating (RMS) – Measured at 14.4 Battery Volts
4 Load Stereo 100 Watts x 2
2 Load Stereo 150 Watts x 2
4 Load Mono 300 Watts x 1
Dimensions: Height 1.53″ (3.90cm)
Width 4.25″ (10.8cm)
Length 6.75″ (17.2cm)
External Battery Fuse Rating 30A
“A” Weighted Signal to Noise Ratio
Referenced to 1 Watt into 4 ohms
“A” Weighted Signal to Noise Ratio
≥80 dB
Referenced to rated output into 4 ohms ≥100 dB
Crossover Slope 12dB/octave Butterworth
Crossover Frequency variable from 50Hz to 500Hz
Frequency Response 20Hz to 20kHz ±1.0dB
Signal Voltage Adjustment Range(RCA/Speaker Input) Variable from 150mV to 11V
Protection Short circuit protection shutdowns the amplifier in case of very low impedance, shorted speaker wires or shuts down the amplifier in case of overheating.
Equalization PEQ (Punch Equalization) Variable from 0dB to +18dB @ 45Hz
and/or 0dB to +12dB @ 12kHz
Input Impedance 20K ohms
Operating Voltage 9 to 16 Volts DC
CMRR (Common Mode Rejection Ratio) >55dB @ 1kHz
Damping Factor >200
THD+N (Total Harmonic Distortion+Noise) < 1.0% @ 4 ohm

These specifications are Amplifier Power Standard CEA-2006 Compliant

Specifications subject to change without notice

LIMITED WARRANTY INFORMATION

Rockford Corporation offers a limited warranty on Rockford Fosgate products on the following terms:
Length of Warranty
Source Units, Speakers, Signal Processors and PUNCH Amplifiers – 1 Year
POWER Amplifiers – 2 Years
Any Factory Refurbished Product – 90 days (receipt required)
What is Covered
This warranty applies only to Rockford Fosgate products sold to consumers by Authorized Rockford Fosgate Dealers in the United States of America or its possessions. Products purchased by consumers from an Authorized Rockford Fosgate Dealer in another country are covered only by that country’s Distributor and not by Rockford Corporation.

Who is Covered
This warranty covers only the original purchaser of Rockford product purchased from an Authorized Rockford Fosgate Dealer in the United States. In order to receive service, the purchaser must provide Rockford with a copy of the receipt stating the customer name, dealer name, product purchased, and date of purchase.
Products found to be defective during the warranty period will be repaired or replaced (with a product deemed to be equivalent) at Rockford’s discretion.

What is Not Covered

  1. Damage caused by accident, abuse, improper operations, water, theft, shipping
  2. Any cost or expense related to the removal or reinstallation of product
  3. Service performed by anyone other than Rockford or an Authorized Rockford Fosgate Service Center
  4. Any product which has had the serial number defaced, altered, or removed
  5. Subsequent damage to other components
  6. Any product purchased outside the U.S.
  7. Any product not purchased from an Authorized Rockford Fosgate Dealer

Limit on Implied Warranties
Any implied warranties including warranties of fitness for use and merchantability are limited in duration to the period of the express warranty set forth above.  Some states do not allow limitations on the length of an implied warranty, so this limitation may not apply. No person is authorized to assume for Rockford Fosgate any other liability in connection with the sale of the product.

How to Obtain Service
Contact the Authorized Rockford Fosgate Dealer you purchased this product from.
If you need further assistance, call 1-800-669-9899 for Rockford Customer Service.You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate.You are responsible for the shipment of the product to Rockford.

EU Warranty
This product meets the current EU warranty requirements, see your Authorized dealer for details.

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 21

Installation assistance is available at: RFTECH

www.rockfordfosgate.com/rftech

Rockford Fosgate
Rockford Corporation
600 South Rockford Drive
Tempe, Arizona 85281 U.S.A.
In U.S.A., (480) 967-3565 – Customer Service 1-800-669-9899
www.rockfordfosgate.com

Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 22Rockford Fosgate PUNCH Boosted Rail 2 Channel Amplifier Installation Guide  & troubleshooting 23

 

 

2011 Rockford Corporation. All rights reserved.
Rockford Fosgate, the Rockford Fosgate logo, and the PUNCH logo are either registered trademarks or trademarks of Rockford Corporation.

 

 

References

FAQ


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