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JL Audio 12TW1-2 TW1 Series Thin-Line 12" 300W RMS Subwoofer - SVC 2 Ohm

JL Audio

JL Audio 12TW1-2 TW1 Series Thin-Line 12" 300W RMS Subwoofer - SVC 2 Ohm

Name: Singh Electronics
Address: 7003 Steeles Avenue West, Toronto, ON, M9W 0A2, CA
Telephone: +1 (416) 745-1021
Price range: $

$748.00

$779.99

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SKU: 12TW1-2

UPC: 699440921893

Condition: New

Availability: Special Order - Usually Ships 3-5 Days

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About: JL Audio 12TW1-2 TW1 Series Thin-Line 12" 300W RMS Subwoofer - SVC 2 Ohm

TW1 12-inch Subwoofer (300 W, 2 Ω)

Built on JL Audio's patented thin-line subwoofer technology, the 12TW1 delivers a powerful combination of shallow mounting depth and excursion capability, while operating in insanely small enclosures (0.65 cu.ft. / 18.4 litres). This, combined with a special cast alloy frame design, makes the 12TW1 capable of operating in extremely tight spaces. These include under-seat installations in trucks, 2-seat sports cars and many other creative applications requiring a compact, low profile subwoofer design.

JL Audio's patented thin-line woofer technology compresses the architecture of the 12TW1 using a "concentric tube" structure built into the injection-molded cone body. This structure supports the voice coil and a full annular spider, while permitting the placement of a large motor structure further forward in the speaker than with conventional designs.

The 12TW1 also features a clever frame design that minimizes the frontal clearance required for the excursion of the driver. This is accomplished by recessing the suspension attachment surface, so that most of the forward excursion occurs within the frame's dimensions. Thanks to this feature, the 12TW1 requires only 0.87 inches (22 mm) of frontal clearance, even with its grille installed. This allows for more efficient use of space and increased enclosure volume within a given overall depth.

Even though the 12TW1 is optimized for an enclosure much smaller than any other JL Audio twelve-inch Subwoofer, it never sounds like a big woofer struggling in a tiny box...instead, it delivers all the rich, deep, controlled bass you have come to expect from a JL Audio subwoofer system.

Very shallow mounting depth (4.62 in / 117 mm)
No pole vent: permits mounting close to rear wall of enclosure
Extremely small sealed enclosure volume requirements
Long linear excursion capability (0.40 in / 10 mm, one-way)
DMA-optimized motor design
Patented "concentric tube" architecture
Patented "floating cone attach method" technology
Cast alloy frame with flat edges for tight driver grouping
Injection molded, mica-filled polypropylene cone
Rubber surround
Steel mesh grille included with each driver
Precision-built in USA at JL Audio’s Miramar, Florida factory with global components

General Specifications:

Continuous Power Handling (RMS): 300 W
Recommended Amplifier Power (RMS): 75 - 300 W
Nominal Impedance (Znom): 2 Ω

Physical Specifications:

Nominal Diameter: 12.0 in / 300 mm
Overall Diameter: 12.375 in / 314 mm
Mounting Hole Diameter: 11.0625 in / 281 mm
Bolt Hole Circle Diameter: 11.7 in / 297 mm
Motor Outer Diameter: 5.71 in / 145 mm
Mounting Depth: 4.62 in / 117 mm
Front Grille Protrusion: 0.87 in / 22 mm
Driver Displacement: 0.072 cu ft / 2.04 L
Net Weight: 16.5 lbs / 7.5 kg

Parameters:

Free Air Resonance (Fs): 35.06 Hz
Electrical “Q” (Qes): 0.61
Mechanical “Q” (Qms): 10.662
Total Speaker “Q” (Qts): 0.577
Equivalent Compliance (Vas): 1.008 cu ft / 28.54 L
One-Way Linear Excursion (Xmax)*: 0.40 in / 10.0 mm
Reference Efficiency (no)
Efficiency (1 W / 1 m)**: 85.07 dB SPL
Effective Piston Area (Sd): 67.608 sq in / 0.0436 sq m
DC Resistance (Re): 2.430 Ω
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”

Sealed Enclosure Specifications:

Wall Thickness: 0.75 in / 19 mm
Front Baffle Thickness: 0.75 in / 19 mm
Volume (net int.): 0.65 cu ft / 18.41 L
External Width (W): 26.50 in / 673 mm
External Height (H): 14 in / 356 mm
External Depth (D): 5.50 in / 140 mm
F3: 45.83 Hz
Fc: 55.99 Hz
Qtc: 0.92

Ported Enclosure Specifications:

Wall Thickness 0.75 in / 19 mm
Front Baffle Thickness 0.75 in / 19 mm
Volume (net int.) 1.125 cu ft / 31.86 L
External Width (W) 31.75 in / 806 mm
External Height (H) 16 in / 406 mm
External Depth (D) 7 in / 178 mm
Internal Slot Port Width (SW) 5.50 in / 140 mm
Internal Slot Port Height (SH) 2.25 in / 57 mm
Internal Slot Port Length (SL) 22.625 in / 575 mm
Port Extension Length (EL) 20.75 in / 527 mm
Tuning Frequency (Fb) 34.0 Hz
F3 31.52 Hz

Enclosure Notes:

The enclosure recommendations listed above are external dimensions which assume the use of 0.75 in (19 mm) thick material. If you are using 0.625 in (16 mm) thick material, subtract 0.25 in (6.5 mm) from each dimension. Do not use any material with a thickness of less than 0.625 in (16 mm) as this may compromise the rigidity of the enclosure
All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into account
When using multiple subwoofers in a common enclosure you will need to recalculate the enclosure and port dimensions. For assistance please contact your authorized JL Audio dealer or JL Audio Technical Support
We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
All specifications are subject to change without notice

Safety Notice:

Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance speaker can exceed this level. Please exercise restraint in its operation in order to preserve your ability to enjoy its fidelity
When installing a subwoofer in your vehicle, it is extremely important to secure the enclosure firmly. We recommend bolting the enclosure through the metal of the floorpan or the frame of the vehicle with large diameter washers for reinforcement. If an enclosure is not firmly attached, it can become a projectile in a collision. This is particularly important in a hatchback, station wagon, sports utility vehicle, or van

Features:

12" 2-ohm subwoofer
Mica-filled polypropylene injection-molded cone with rubber surround
Cast-alloy frame
Power range: 75-300 watts RMS
Peak power handling: 600 watts
Top-mount depth: 4-5/8"
Sealed box volume: 0.65 cubic feet
Ported box volume: 1.125 cubic feet

What's in the Box:

One 12" Thin-Line subwoofer
Grille
Owner's manual
Online product registration information

Most products include a limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use. Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside manufacturer specifications. For complete warranty terms, exclusions, and claim procedures, please visit our full Warranty Policy page.

Fast shipping across Canada from our Toronto warehouse. Most orders ship within 1–2 business days. Shipping costs and delivery estimates are calculated at checkout. Returns are accepted on eligible items that are unused and in original packaging within our return period. For full details, please view our Shipping Policy and Returns & Exchanges Policy.

Please note that final sale, clearance, open-box, and refurbished items are not eligible for returns or refunds. These items may only be covered under their respective warranty or exchange terms where applicable. For full details regarding open-box items, please review our Open Box Policy.