Artikel-Nr. GT5-15_
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Additional Information
Are you behind the wheel? Or in the front row at a live concert? The GT5-15 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.
At a Glance:
  • Big bass with Polypropylene woofer cone
  • Outstanding audio output, low distortion
  • Exceptional venting for increased power handling
  • Enclosure up to JBL Professional standards
  • Accurate frequency response
What's in the Box:
  • (1) GT5-15 15” Single 4-Ohm Subwoofer
  • (1) Owner's Manual
Product Features:
  • Big bass with Polypropylene woofer cone
    Road noise can destroy realistic audio that always requires true low frequencies. Polypropylene delivers rigidity, with good internal damping, and complete weather-resistance. You get an impossible-to-miss increase in thumping bass.
  • Outstanding audio output, low distortion
    With 300 watts RMS and 1200 watts of peak power handling, the GT5-15 changes the experience of listening to your favorite music in your car. And a progressive spider gives better control for lower distortion at excursion limits.
  • Exceptional venting for increased power handling
    Woofer motor structures heat up during use, causing distortion, or power compression that reduces music’s dynamic range, robbing the sound of realism. JBL uses vented motor structures and polepieces that get rid of more heat to deliver more serious bang.
  • Enclosure up to JBL Professional standards
    It’s built to the same exacting standards as JBL professional audio boxes with 3/4" medium-density fiberboard construction, and high-quality binding-post terminals. Wide-bandwidth design provides more output between 20Hz and 40Hz. You get all the bass you’ve paid for.
  • Accurate frequency response
    With a frequency response of 23Hz – 400Hz, the GT5-15 reproduces deep, teeth-rattling bass tones without distortion.
Manuals & Downloads:
Allgemeine Spezifikationen:
Audio Spezifikationen:
(2.83V@1m) 96dB
Peak Power
Nominal Impedance
4 ohms
Power Handling (RMS)
Power Handling (Peak)
Frequency Response
20Hz – 400Hz
Mounting Depth (mm)
Mounting Cutout Diameter (mm)
External Diameter (mm)
Mounting Depth (in)
Mounting Cutout Diameter (in)
External Diameter (in)
Woofer Specifications:
Suspension Compliance
(Cms – ?m/N) 102
Voice Inductance
1kHz (Levc – mH) 2.42
Driver Radiating Area
(Sd – in2/cm2) 132.5/855
Electrical Q
(Qes) 0.76
Free-Air Resonance
(Fs – Hz) 27.3
Maximum Excursion
(Xmax –in/mm) .57/14.5
Total Q
(Qts) 0.67
Mechanical Q
(Qms) 5.7
Voice Coil Height
(Hvc – in/mm) 1.45/37
Compliance Volume
(Vas – ft3 / l) 3.76/106.5
Voice Coil DC Resistance
(Revc – ohms) 3.63
Magnetic Gap Height
(Hag – in/mm) .31/8
Motor Force Factor
(Bl – Tm) 16.53

What would the optimum vented enclosure be for this? I want to get below 20Hz. I would guess a box around 2.5ft square with a 2" x 12" port?

Gefragt von: vidiman
The GT5-15 has a frequency response of 25Hz-400Hz, this is as low as that subwoofer can play. We recommend a 3.50 cubic foot box if you would like it with a vented enclosure. For the port, you would need to design it to be 4" diameter port that is 13" long to tune it at 30Hz.
Beantwortet von: Ren at Customer Service
Veröffentlichungsdatum: 2017-12-02

I have a 150 rms amp, is that enough to power this sub?

Gefragt von: Exploder001
Absolutely. The GT5-15 has an RMS wattage rating of 300 watts. This means that any amp with a power output of 300 watts per channel or less will work fine with this sub. On the other hand, if you are looking to get the sub as loud as you can get it, go with an amp that has a rating of 300 RMS watts. But do not go with anything more powerful.
Beantwortet von: Joe G at Customer Service
Veröffentlichungsdatum: 2017-12-02

What is the rms??? 

Gefragt von: Dountrell
Beantwortet von: Leontreg
Veröffentlichungsdatum: 2017-12-02
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