JL AUDIO 8W1V3-4

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Continuous Power Handling (RMS)150 W
Recommended Amplifier Power (RMS)50 - 150 W
Nominal Impedance (Znom)4 Ω

Physical Specifications

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Nominal Diameter8.0 in / 200 mm
Overall Diameter (A)8.5 in / 216 mm
Mounting Hole Diameter (B)7.09 in / 180 mm
Bolt Hole Circle Diameter (C)7.85 in / 199 mm
Motor Outer Diameter (D)4.72 in / 120 mm
Mounting Depth (E)3.86 in / 98 mm
Driver Displacement0.018 cu ft / 0.51 L
Net Weight7.4 lb / 3.4 kg

Parameters

Free Air Resonance (Fs)35.40 Hz
Electrical “Q” (Qes)0.451
Mechanical “Q” (Qms)5.791
Total Speaker “Q” (Qts)0.418
Equivalent Compliance (Vas)0.68 cu ft / 19.26 L
One-Way Linear Excursion (Xmax)*0.3 in / 8 mm
Reference Efficiency (no)0.18%
Efficiency (1 W / 1 m)**84.8 dB SPL
Effective Piston Area (Sd)32.67 sq in / 0.0211 sq m
DC Resistance (Re)4.06 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

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Wall Thickness0.75 in / 19 mm
Front Baffle Thickness0.75 in / 19 mm
Volume (net int.)0.350 cu ft / 9.90 L
External Width (W)12 in / 305 mm
External Height (H)10 in / 254 mm
External Depth (D)8.625 in / 219 mm
F359.9 Hz
Fc60.7 Hz
Qtc0.717

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.

Ported Enclosure Specifications

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Wall Thickness0.75 in / 19 mm
Front Baffle Thickness0.75 in / 19 mm
Volume (net int.)0.50 cu ft / 14.2 L
External Width (W)13.0 in / 330 mm
External Height (H)10 in / 254 mm
External Depth (D)11.125 in / 283 mm
Internal Port Diameter (ID)2 in / 51 mm
Port Length (L)10 in / 254 mm
Tuning Frequency (Fb)38 Hz
F339.10 Hz