JL Audio
12W0v3-4
300W RMS 12" Subwoofer

$149.99
JL Audio 12W0v3-4
JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4 JL Audio 12W0v3-4

Overview

The 12W0v3 is a rugged performer with excellent efficiency, excursion capability and linearity. Its overall performance envelope that puts it right at the top of its price class. It features a beefy 2”. diameter voice coil and our Elevated Frame Cooling design for enhanced power handling and reliability.

The 12W0v3 is best used with amplifier power in the 75W - 300W range and is optimized to operate in a moderately sized 1.375 cu. ft. (38.9 L) sealed enclosure, or a 1.75 cu. ft. (49.6 L) ported enclosure. Detailed enclosure recommendations can be found in the “Specifications” tab.

Dynamic Motor Analysis - DMA Optimized Motor

JL Audio's proprietary Dynamic Motor Analysis system is a powerful suite of FEA-based modeling systems, first developed by JL Audio in 1997 and refined over the years to scientifically address the issue of speaker motor linearity. This leads to vastly reduced distortion and faithfully reproduced transients... or put simply: tight, clean, articulate bass.

Elevated Frame Cooling

JL Audio's Elevated Frame Cooling design delivers cool air through slots directly above the top-plate to the voice coil of the speaker. This not only enhances power handling, but also sound quality by minimizing dynamic parameter shifts and power compression.

Many speakers employ venting techniques to enhance voice coil cooling. This is typically accomplished by having big holes in the sides of the frame just below the spider attachment shelf. While it provides a modest cooling benefit, this low-velocity air-flow does not blow directly or strongly on the voice coil.

Our design improves upon this cooling technique in a number of ways. By elevating the frame above the top-plate of the motor (via stand-offs integrated into the bottom of the frame) a narrow, high-velocity air-path is created between the bottom surface of the frame and the top surface of the top-plate. This air path leads directly to the voice coil and then turns upward into the spider air cavity. By utilizing the pumping action of the spider through this focused air path, a large volume of cool air hits the coil windings directly.

Another important benefit is that the upper surface of the top-plate (one of the speaker's hottest parts) is directly exposed to cooling air flow, whereas on a conventional design it is isolated from the air flow by the lower flange of the frame. The elevated frame technology greatly increases thermal power handling, reduces compression effects and does so without any additional parts.

Specifications

Power

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

Dimensions

Nominal Diameter
12” / 300 mm
Overall Diameter (A)
12.52” / 318 mm
Mounting Hole Diameter (B)
11.0625” / 281 mm
Bolt Hole Circle Diameter (C)
11.7” / 297 mm
Motor Outer Diameter (D)
5.05” / 128 mm
Mounting Depth (E)
5.4” / 137 mm
Driver Displacement
0.048 cu ft / 1.36 L
Net Weight
8.11 lb / 3.68 kg

Parameters

Free Air Resonance (Fs)
28.43 Hz
Electrical “Q” (Qes)
0.715
Mechanical “Q” (Qms)
10.709
Total Speaker “Q” (Qts)
0.67
Equivalent Compliance (Vas)
2.530 cu ft / 71.64 L
One-Way Linear Excursion (Xmax)
0.45” / 11.4 mm
Reference Efficiency (no)
0.22%
Efficiency (1 W / 1 m)
85.64 dB SPL
Effective Piston Area (Sd)
74.509 sq in / 0.0481 sq m
DC Resistance (Re)
4.28 Ω

Sealed Enclosure Specifications

Wall Thickness
0.75” / 19 mm
Front Baffle Thickness
0.75” / 19 mm
Volume (net int.)
1.375 cu ft / 38.94 L
External Width (W)
16” / 406 mm
External Height (H)
19” / 483 mm
External Depth (D)
11.75” / 298 mm
F3
36 Hz
Fc
47.91 Hz
Qtc
1.179

Enclosure Notes

The W0v3’s employ a pole vent to remove heat and pressure from the inside of the speaker. This vent is located within the JL Audio badge at the rear of the speaker. A minimum distance of 0.5” (13 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.

The enclosure recommendations listed above are external dimensions which assume the use of 0.75” (19 mm) thick material. If you are using 0.625” (16 mm) thick material, subtract 0.25” (6.5 mm) from each dimension. Do not use any material with a thickness of less than 0.625” (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.

Ported Enclosure Specifications

Wall Thickness
0.75” / 19 mm
Front Baffle Thickness
0.75” / 19 mm
Volume (net int.)
1.75 cu ft / 49.6 L
External Width (W)
17.5” / 445 mm
External Height (H)
14.75” / 375 mm
External Depth (D)
16.25” / 413 mm
Internal Port Diameter (ID)
3” / 76 mm
Port Length (L)
14” / 356 mm
Tuning Frequency (Fb)
26 Hz
F3
30.8 Hz

Enclosure Notes

The W0v3’s employ a pole vent to remove heat and pressure from the inside of the speaker. This vent is located within the JL Audio badge at the rear of the speaker. A minimum distance of 0.5” (13 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.

The enclosure recommendations listed above are external dimensions which assume the use of 0.75” (19 mm) thick material. If you are using 0.625” (16 mm) thick material, subtract 0.25” (6.5 mm) from each dimension. Do not use any material with a thickness of less than 0.625” (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.

More Information
Brand JL Audio
RMS Power 300W RMS
Nominal Impedance 4 Ω
Shallow Mount No
Subwoofer Size 12"
Subwoofer Type Single Voice Coil (SVC)