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JBL 670GTi Owner's Manual

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670GTi
COMPETITION SPEAKER SYSTEMS
OWNER'S GUIDE

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Summary of Contents for JBL 670GTi

  • Page 1 670GTi COMPETITION SPEAKER SYSTEMS OWNER’S GUIDE...
  • Page 2 In a loudspeaker, distortion can be produced by the cone, the motor, the suspension and even the movement of air through the speaker’s assembly. In designing the 670GTi woofer, JBL engineers have left no stone unturned. The basket, polepiece and voice coil former all include vents to eliminate any potential distortion caused ®...

  • Page 3: Specifications

    This gives you far superior stereo imaging and fl atter overall system response, especially in the critical vocal range. At the other end of the spectrum, the 670GTi’s tweeter plays all the way out to 30kHz, so you hear every bit of detail and nuance that your music has to offer.
  • Page 4 670GTi DIMENSIONS 41mm 1-5/16" 55mm 2-3/16" 69mm 2-11/16" 69mm 2-11/16" 81.8mm 32mm 25mm 3-7/32" 1-1/4" 1" 128.1mm 51mm 5-1/16" 2" 116.7mm 4-9/32" 160mm 6-5/16" 670GTi INCLUDED ITEMS...
  • Page 5 • All woofers require a rigid baffl e and isolation between the front and back of the speaker for best low-frequency extension. • The 670GTi woofer may be used in an infi nite baffl e or in a small sealed enclosure with a volume equal to or greater than 1/8 ft TWEETER MOUNTING CONSIDERATIONS •...
  • Page 6 670GTi CONNECTIONS LEFT RIGHT CROSSOVER CROSSOVER LEFT LEFT RIGHT RIGHT WOOFER TWEETER WOOFER TWEETER...
  • Page 7 670GTi CROSSOVER ADJUSTMENTS After installing the system, set the Tweeter Level adjustment according to your preference. The graphs below illustrate the effect of the Tweeter Level adjustment 670GTi dBSPL +1.5dB -1.5dB 20Hz 670GTi +1.5dB -1.5dB 20Hz...
  • Page 8 © 2015 HARMAN International Industries, Incorporated. All rights reserved. JBL is a trademark of HARMAN International Industries, Incorporated, registered in the United States and/or other countries. Vented Gap Cooling is a trademark of Har- man International Industries, Incorporated. Nomex and Kevlar are registered trademarks of E.I. du Pont de Nemours and Company.