About the JBL Club WS1200
Designed for versatility
Designed for versatility
If you're into bass, you've probably had to sell off subs at some point because they didn't fit in your plans to expand your system. JBL designed their Club Series WS1200 12" subwoofer for versatility. Its low-profile design allows it to fit into shallow enclosures, and its selectable impedance gives you flexibility in configuring your system. That means it'll fit in just about any vehicle and into any upgrades you make to your bass setup.
Selectable impedance
Unlike most other dual voice coil subs, this sub's Selectable Smart Impedance (SSI™) switch allows you to change impedance from 2 ohms to 4 ohms, the most commonly used impedances. This feature makes it easy to reconfigure your system when you add another Club Series subwoofer or upgrade your amplifier. The sub's polypropylene cone punches out bass as low as 27 Hz and handles up to 250 watts RMS. It works equally well in sealed or ported enclosures, another example of its versatility.
Product highlights:
- 12" component subwoofer
- polypropylene cone
- impedance selector switch (2 or 4 ohms)
- handles up to 250 watts RMS (1000 watts peak)
- frequency response: 27-175 Hz
- sensitivity at 2.83V: 92 dB
- mounting depth: 3-5/16"
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # JBLCLUBWS1200BLK
What's in the box:
JBL Club WS1200 owner's manual
- One 12" Subwoofer (with impedance switch)
- Owner's manual (English/ French/ Spanish/ Portuguese/ German/ Italian/ Dutch/ Finnish/ Russian/ Swedish/ Danish/ Japanese/ Polish/ Turkish/ Chinese/ Korean/ Indonesian)
- Technical data sheet
Featured review
Sound is great on these subs! The only thing I didn't like are the connections. To me, they are too small for the correct power transfer. I feel they would be better with the screw down type connections.
Chris from Winnsboro
Customer Q&A
Q
I'm building a box and putting two of these in them I'm going with a square port right now I have it 2 inchs wide by 12 inches long is that too small?
A
JBL recommends using a round port; 4" in diameter and 10" in length.
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More details on the JBL Club WS1200
Features & specs
| Size | 12 -inch | |
| Impedance | 2 ohms | |
| Cone Material | Polypropylene | |
| Surround Material | Rubber | |
| Ideal Sealed Box Volume (cubic feet) | 0.75 | |
| Ideal Ported Box Volume (cubic feet) | 1.75 | |
| Port diameter (inches) | 4 | |
| Port length (inches) | 10 | |
| Free-Air | Yes | |
| Dual Voice Coil | No | |
| Sensitivity |
92 dB at 2.83 volts | |
| Frequency Response | 27 - 175 Hz | |
| Max RMS Power Handling | 250 | |
| Peak Power Handling (Watts) | 1000 | |
| Top Mount Depth (inches) | 3 1/4 | |
| Bottom Mount Depth (inches) | 3 15/16 | |
| Cutout Diameter or Length (inches) | 11 1/16 | |
| Vas (liters) | 97.43 | |
| Fs (Hz) | 22.8 | |
| Qts | 0.53 | |
| Xmax (millimeters) | 7.65 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Selectable Smart Impedance (SSI): A switch on the input terminal allows you to easily change the woofer's impedance between 2Ω and 4Ω settings. (The connected amplifier should be off when changing the impedance.)
Enclosure Recommendations:
- Sealed Box Volume: 0.75 ft³
- Ported Box Volume: 1.75 ft³ with one 4" diameter x 10" long port (tuned to 33 Hz)
- Free-Air: The woofer can also be mounted in free air to a baffle board (infinite baffle, no enclosure). When mounted in free air, the power handling is reduced by half (to 125 watts RMS).
- Band Pass: JBL recommends a bandpass enclosure with a sealed chamber volume of 1.0 ft³ and a ported chamber volume of 1.75 ft³ with one 4" diameter x 7.5" long port. Bandpass enclosures often provide the most output available from any amplifier and subwoofer combination, but at the expense of sonic accuracy.
Thiele-Small Parameters: Some of the parameters change based on the impedance setting:
| 2Ω | 4Ω | |
| Re (Ω) | 1.84 | 4.16 |
| Le (mH) | 0.65 | 0.71 |
| Sd (cm²) | 502.73 | 502.73 |
| Bl (Tm) | 9.02 | 12.87 |
| Vas (liters) | 97.43 | 97.56 |
| Cms (μm/N) | 274 | 275 |
| Mms (g) | 177.46 | 177.02 |
| Fs (Hz) | 22.80 | 22.82 |
| Qms | 6.24 | 3.57 |
| Qes | 0.57 | 0.64 |
| Qts | 0.53 | 0.54 |
| Xmax (mm) | 7.65 | 7.65 |
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