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GT-X1250T

12" car audio bass-reflex subwoofer tube

OWNER’S MANUAL

Note: This product is designed for mobile applications and is not intended for 
connection to the mains.

Woofer

12" (300mm) bass tube

Power handling, continuous average

310W

Power handling, peak

1250W

Frequency response

35Hz – 200Hz

Impedance

4 ohms

Sensitivity (2.83V/m)

90dB

DIMENSIONS

SPECIFICATIONS

13"
(330mm)

26"

(660mm)

HARMAN Consumer, Inc.
8500 Balboa Boulevard, Northridge, CA 91329 USA

© 2011 HARMAN International Industries, Incorporated. All rights reserved. 
JBL and GT are trademarks of HARMAN International Industries, Incorporated, registered in the United States 
and/or other countries. Features, specifications and appearance are subject to change without notice.

Part #950-0355-001  Rev. A  

www.jbl.com

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