Rockford Fosgate 3X Owner's Manual
Rockford Fosgate 3X Owner's Manual

Rockford Fosgate 3X Owner's Manual

Electronic crossover
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Summary of Contents for Rockford Fosgate 3X

  • Page 1   A N D L E C T R O N I C R O S S O V E R ’ W N E R A N U A L  ...
  • Page 2 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.
  • Page 3 Signal to Noise Ratio >105dB Distortion <0.02% THD + Noise Channel Separation >75dB Dimensions Punch 3X 4.8" x 4.1" x 1.8" 12.19cm x 10.41cm x 4.57cm Punch 5X 4.8" x 5.55" x 1.8" 12.19cm x 10.41cm x 4.57cm Factory Equipped Crossover Cards...
  • Page 4: Table Of Contents

    A B L E O F O N T E N T S Specifications ................i Punch 3X and 5X Packing List ............1 Introduction ................. 1 Operating Features ..............1 Design Features ................2 1. Gold Plated RCA Jacks ............3 2.
  • Page 5: Introduction

    2 or 4-Channel Input Mode Switch enables you to select two (2) or four (4) channels of input. 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.
  • Page 6 EMOVING THE OVER The unique design of the 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.
  • Page 7: Gold Plated Rca Jacks

    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.
  • Page 8 N S TA L L A T I O N O N S I D E R A T I O N S 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.
  • Page 9: Input/Output Levels & Connections

    For additional infor- mation see the wiring diagrams beginning on page 10. Note: Rockford Fosgate’s Perfect Interface line of accessories in- cludes high quality power and speaker cables, gold plated RCA interconnect cables and other products to complete your customized installation.
  • Page 10 ELECT IN G THE RO S S OV E R AR DS The Punch 3X and 5X are shipped with 100Hz and blank configurable cards installed. The following cards are available factory built from your Authorized Rockford Fosgate Dealer. XM50...
  • Page 11: Using The Dual Filter

    U A L I L T E R The Punch 3X and the Punch 5X both have Dual Filter sections. The Dual Filter is a two stage cascaded filter which uses two cards. The first card determines the initial action and the second, the subsequent action.
  • Page 12: Filter Effects

    I L T E R F F E C T S Example: The Punch 3X ships with three (3) 100Hz cards set in the Full Range position. The crossover will pass through all 20Hz - 20kHz frequencies. The following diagram shows examples of the types of response curves when programming for a High-Pass, Low-Pass or Bandpass setting.
  • Page 13: Wiring Diagrams

    I R I N G I A G R A M S 3X – 2-Way with Passive Crossover Source Unit 0° 180°** High-Pass Low-Pass Low-Pass High-Pass High-Pass Crossover 3x Crossover Tweeter Rear High-Pass Midrange @ 12dB/octave slope – – Midrange...
  • Page 14 3X – 3-Way Basic System Source Unit 0° 180°** High-Pass Low-Pass High-Pass Low-Pass 3x Crossover Subwoofer Low-Pass @ 12dB/octave slope – – – – Subwoofer 2-Channel Amplifier Midrange Bandpass Output @ 12dB/octave slope – – Midrange 2-Channel Amplifier High-Pass Output –...
  • Page 15 3X – 2-Way with Amplifier's Active Crossover Source Unit 0° 180°** High-Pass Low-Pass Low-Pass High-Pass 3x Crossover Rear High-Pass Tweeter @ 12dB/octave slope – Tweeter – – Rear Bandpass Midrange Both rolloffs @ 12dB/octave slope – 4-Channel Amplifier with Crossover***...
  • Page 16 5X – Basic System Source Unit 0° 180°** High-Pass Low-Pass High-Pass Low-Pass Low-Pass Low-Pass High-Pass High-Pass 5x Crossover Rear High-Pass – Tweeter @ 12dB/octave slope – Tweeter 2-Channel Amplifier Front Bandpass Midrange – Both rolloffs @ 12dB/octave slope – Midrange 2-Channel Amplifier Summed Output –...
  • Page 17 5X – 2-Way with 24dB Slopes Source Unit 0° 180°** Not Used High-Pass High-Pass Low-Pass Low-Pass Used High-Pass High-Pass Not Used 5x Crossover Used Midrange/Tweeter Rear High-Pass – @ 24dB/octave slope – Midrange/Tweeter 2-Channel Amplifier – Summed Output – @ 24dB/octave slope Subwoofer –...
  • Page 18 5X – 4-Way System Source Unit 0° 180°** Not Used Low-Pass High-Pass Low-Pass Low-Pass Low-Pass High-Pass High-Pass 5x Crossover High-Pass – Tweeter @ 12dB/octave slope – Tweeter 2-Channel Amplifier Midrange Bandpass – Both rolloffs @ 12dB/octave slope – Midrange 2-Channel Amplifier Low-Pass –...
  • Page 19: Appendix A - Building A Custom Crossover Card

    USTOM ROSSOVER The 3X and 5X both ship with blank cards which can be assembled to select any frequency you need for your system's design. Each card is built using 4 capacitors and 4 resistors, the value of the resistors determines the operating frequency.
  • Page 20 Electronic Crossover Field Programmable Card Resistor Chart Butterworth Alignment Use 5% resistors in conjunction with .022mF standard capacitor. Low Pass High Pass Freq. 18.5Hz 390k Ohm 390k Ohm 390k Ohm 390k Ohm 270k Ohm 26Hz 270k Ohm 270k Ohm 270k Ohm 220k Ohm 33Hz 220k Ohm...
  • Page 21: Warranty

    Electronics found to be defective during the warranty period will be repaired or replaced at Rockford Fosgate’s discretion. Repaired or replaced electronics will be covered by the balance of the original warranty period only. Rockford Fosgate shall not be responsible for any incidental or consequential damages resulting from a defect in electronics.
  • Page 22 N OT ES...
  • Page 23 NOTES...
  • Page 24 Rockford Fosgate A Division of Rockford Corporation 546 South Rockford Drive Tempe, Arizona 85281 U.S.A. In U.S.A. (602) 967-3565 In Canada, call Korbon (905) 567-1920 In Europe, Fax (49) 4207-801250 MAN-0628-A 1/94...

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