Rockford Fosgate XOM Owner's/Operator's Manual
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Rockford Fosgate XOM Owner's/Operator's Manual

Rockford Fosgate XOM Owner's/Operator's Manual

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C R O S S O V E R
[XOM]
XOM
OWNER'S/OPERATOR'S
M A N U A L

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Summary of Contents for Rockford Fosgate XOM

  • Page 1 C R O S S O V E R [XOM] OWNER’S/OPERATOR’S M A N U A L...
  • Page 2 Congratulations! We appreciate your purchase of the Electronic Crossover Module for your SYMMETRY system. As you get acquainted with the XOM, you will find that it is not only easy to use, but also offers endless possibilities for audio enjoyment.

  • Page 3: Table Of Contents

    Table Of Contents Specifications ................ Page 1 Introduction ................Page 3 Page 4 Remote Data Access Terminal ..........The XOVER Menu..............Page 5 Page 5 Selecting the Crossover Frequencies ......Adjusting the Highpass Crossover ......... Page 6 Adjusting the Lowpass Crossover ........Page 8 Adjusting the Sub Mono Lowpass ........

  • Page 4: Specifications

    XOM Specifications Total Number of Outputs Output Levels Each output adjustable ± 12dB Highpass outputs 4 - FL, FR, BL, BR Slope 12 dB/Octave Highpass Minimum F3* 1,820 Hz Maximum F3 20,650 Hz # F3 Points 256 points per output...
  • Page 5 Sub Lowpass outputs 1 - constant bass summed mono Slope 24 dB/Octave lowpass Minimum F3 45 Hz Maximum F3 2,380 Hz # F3 points 256 points Center Bandpass outputs 1 - front summed mono Slope (lowside) 12 dB/Octave highpass Minimum F3 (lowside) 125 Hz Maximum F3 (lowside) 15,000 Hz...

  • Page 6: Introduction

    This manual describes the procedures for adjusting the electronic crossover frequencies. The XOM is one of the most versatile crossovers ever created. It takes the four (4) preamplifier outputs from the Preamplifier Module (PAM) and divides these signals into the following 16 outputs:...

  • Page 7: Remote Data Access Terminal

    Remote Data Access Terminal The Remote Data Access Terminal (RDAT) is used to gain access to all of SYMMETRY’s features. This unit consists of a Z-line by 40- character supertwist back-lit LCD display. Escape Function- Mute - Blue Volume Arrow Keys Reset Zero Set...

  • Page 8: The Xover Menu

    The Xover Menu The XOVERMenu contains the functions for adjusting the Highpass, Bandpass 1, Bandpass 2, Lowpass, Sub Mono and Center crossover frequency ranges. Note: Settings can not be adjusted if the system is locked. See the “Basic SYMMETRY Operator’s Manual” for more informa- tion.

  • Page 9: Adjusting The Highpass Crossover

    XOM/ HP L E F T R I G H T B O T H Notice the message in the upper left-hand corner of the screen.
  • Page 10 The “HP, BP1 and BP2 Output Selection Table” below shows the various combinations that may be selected. HP, BP1 and BP2 SPEAKER SELECTION TABLE First Output Second Output Results Selection Screen Selection Screen LEFT FRONT Left Front LEFT B A C K Left Back LEFT BOTH...
  • Page 11 L E F T R I G H T B O T H Notice the message in the upper left-hand corner of the screen. This indicates the crossover frequency you have selected. XOM/BPl indicated Bandpass 1 and XOM/BP2 indicates Bandpass 2. 2. Press the function key underneath the desired selection.
  • Page 12 4. Once the desired crossover output is selected, its corre- sponding CROSSOVER RESPONSE screen is displayed. Be- low is an example of a BANDPASS 1 CROSSOVER RESPONSE screen. dB = 0.0 ....F3 = 303 .

  • Page 13: Adjusting The Lowpass Crossover

    XOM/ LP L E F T R I G H T B O T H Notice the message in the upper left-hand corner of the screen.

  • Page 14: Adjusting The Sub Mono Lowpass

    Adjusting the Sub Mono Lowpass Crossover The following instructions describe the procedures for adjusting the Crossover’s Mono Lowpass output. 1 . Select SUB from the XOVER Menu. The SUB CROSSOVER’s RESPONSE screen is displayed. 2 . To increase the cutoff frequency (F3) press the blue Right arrow key.
  • Page 15 Adjusting the Center Crossover This section describes the procedures for adjusting the Center Crossover Response curve. 1. Press the blue Right arrow key to display the second page of the XOVER Menu. * CROSSOVER MENU * CENTER CENTER Select from the XOVER Menu. The CENTER CROSSOVER’s RESPONSE screen is displayed.

  • Page 16: Terms And Abbreviations

    Terms and Abbreviations BP (band-pass filter): A crossover circuit that combines a low- pass and high-pass filter to create a band pass. BP1: Bandpass section optimized for higher frequencies. BP2: Bandpass section optimized for lower frequencies. dB (decibel): The unit used to measure the difference between two levels of a sound or electri- cal signal;...
  • Page 17 octave: An interval between two frequencies, the higher of which is twice that of the lower; in modern music, an octave is eight notes of the scale. passband: The continuous spectrum of frequen- cies transmitted by a filter, amplifier, or similar device.
  • Page 18 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. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the previous limitation may not be applicable.
  • Page 19 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 (416) 567-1929 In Europe, Fax (49) 421-487-877 In Pacific Asia, Fax (65) 339-0363 REV A. 11 /92 MAN-0031...

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