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EarthQuake DBXI Installation & Reference Manual

EarthQuake DBXI Installation & Reference Manual

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The Sound That Will Move You
DBXI SUBWOOFERS
Installation & Reference Manual
Earthquake Sound Corporation
2727 McCone Avenue. Hayward, CA 94545. USA
US Toll Free: 1-800-576-7944 | Tel: 510-732-1000 | Fax: 510-732-1095
www.earthquakesound.com

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Summary of Contents for EarthQuake DBXI

  • Page 1 The Sound That Will Move You DBXI SUBWOOFERS Installation & Reference Manual Earthquake Sound Corporation 2727 McCone Avenue. Hayward, CA 94545. USA US Toll Free: 1-800-576-7944 | Tel: 510-732-1000 | Fax: 510-732-1095 www.earthquakesound.com...
  • Page 2: Dear Valued Customer

    This owners manual is designed to better acquaint you with Earthquake products and to guide you through all phases of system design and application.
  • Page 3: Serial Number

    A warranty claim will not be valid if the warranty registration card is not properly filled & The five (5) year warranty period is valid only if an authorized Earthquake dealer returned to Earthquake with a copy of the sales invoice.
  • Page 4 SPECIFICATIONS & ENCLOSURE DESIGNS Bass head design for competition  Constructed using DRIVER: DBXI-12D Ported box Recommendation: 1.8-2.5cu.ft. 3/4" MDF wood. Free Air Resonance (Fs) 24 Hz 16.5”  External dimensions 20.5” 16” Electrical “Q” (Qes) 0.45 shown, unless written otherwise.
  • Page 5 SPECIFICATIONS & ENCLOSURE DESIGNS Bass head design for competition  Constructed using DRIVER: DBXI-15D Ported box Recommendation: 3.5-4.2cu.ft. 3/4" MDF wood. 22” Free Air Resonance (Fs) 20 Hz  External dimensions 22.5” 16.5” shown, unless Electrical “Q” (Qes) 1.14 written otherwise.
  • Page 6 WIRING YOUR DBXI SUBWOOFERS & OHM’S LAW According to Ohm’s Law, when subwoofers are wired in parallel, the formula is: where R is the system’s total impedance. = 4 Ohms To Amp (–) R = 2 Ohms To Amp (+)
  • Page 7 WIRING YOUR DBXI SUBWOOFERS & OHM’S LAW 8-Ohm 8-Ohm To Amp (–) To Amp (–) 2-Ohm 2-Ohm 2 DBXI-D R = 4 Ohms R = 1 Ohms To Amp (+) To Amp (+) Series/Parallel Parallel/Parallel 8-Ohm 8-Ohm 8-Ohm To Amp (–) 3 DBXI-D R = 2.7 Ohms...
  • Page 8 S O U N D The Sound That Will Move You Earthquake Sound reserves the right to amend details of the specifications without notice. © Copyright Earthquake Sound Corporation Earthquake Sound Corporation 2727 McCone Avenue. Hayward, CA 94545. USA U.S. Toll Free: 1-800-576-7944 | Tel: 510-732-1000 | Fax: 510-732-1095...