1100-Watt, 12" Single-Voice-Coil Subwoofer

$99.9599.95 each
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Are you behind the wheel? Or in the front row at a live concert? The GT5-12 will actually make you think about this question. It combines classic elements with modern JBL engineering breakthroughs. Check out competitors at a similar price point – you won’t find a more solid motor structure, or one that can handle more of whatever intense bass assault you can dish out.

Item# GT5-12

General Specifications

Size 12"
Series GT5

Audio Specifications

Peak Power 1100W
Nominal Impedance 4 ohms
Power Handling (RMS) 275W
Frequency Response 27Hz–450Hz
Power Handling (Peak) 1100W
Sensitivity (2.83V/1m) 90dB


External Diameter (in) 12-5/16
External Diameter (mm) 313
Mounting Depth (in) 6-7/16
Mounting Depth (mm) 164
Mounting Cutout Diameter (mm) 286
Mounting Cutout Diameter (in) 11-1/4

Woofer Specifications

Mechanical Q (Qms) 6.39
Magnetic Gap Height (Hag – in/mm) 0.315/8
Motor Force Factor (Bl – Tm) 15.2
Voice Coil Height (Hvc – in/mm) 1.43/36.4
Maximum Excursion (Xmax –in/mm) 0.56/14.2
Suspension Compliance (Cms – ?m/N) 135
Free-Air Resonance (Fs – Hz) 29
Driver Radiating Area (Sd – in2/cm2) 82.15/530
Voice Inductance @ 1kHz (Levc – mH) 1.26
Diecast Aluminum Frame No
Voice Coil DC Resistance (Revc – ohms) 4
Vented Polepiece Yes
Surround Hi-roll rubber
Electrical Q (Qes) 0.64
Low-Frequency Transducer 12" (305mm) Polypropylene cone
Compliance Volume (Vas – ft3 / l) 1.9/54.2
Voice Coil 2" (51mm) diameter
Progressive Spider Yes
Total Q (Qts) 0.58
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Spec Sheet

English 242 KB
  • (1) GT5-12 12” Single 4-Ohm Subwoofer
  • (1) Owner's Manual

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1 Year Warranty

Note: the Warranty Card provided with your JBL product contains the full terms and conditions of your warranty.

Unless a different warranty period is stated in the Warranty Card provided with your JBL product, JBL warrants for a period of 1 year (5 years for any non-powered speakers) from the date of retail purchase by the original end-use purchaser, that this product, when delivered to you in new condition, in original packaging, from a JBL authorized reseller and used in normal conditions, is free from any defects in manufacturing, materials and workmanship. Refer to the Warranty Card provided with your JBL product for specific details including what is not covered along with other terms and conditions.

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