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JL Audio® TW1 Thin-line Car Subwoofer

Price range: $132.00 through $150.00

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SKU: 010-03214-00 Categories: , , ,

TW1 thin-line car subwoofer delivers crisp bass available in 10- or 12 inches, a space saving frame design, polypropylene cone technology, and a 1-year warranty.

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General

Sizes 10″/12″
Weight 10″: 10.5 lbs (4.8 kg)
12″: 16.5 lbs (7.5 kg)
Continuous power handling (RMS) 300 W
Sensitivity (SPL @ 1 W/1 m) 10″ (2 Ω): 82.5 dB
10″ (4 Ω): 82.2 dB
12″ (2 Ω): 85.07 dB
12″ (4 Ω): 85.15 dB
Nominal impedance 2 Ω or 4 Ω
Recommended amplifier power (RMS) 75-300 W
Cone material Mineral-filled polypropylene
Grille(s) included
Warranty 1 year

Connections

Speaker connections Spade connectors

Mounting Dimensions

Frame outer diameter 10″: 10.375″ (264 mm)
12″: 12.375″ (314 mm)
Mounting depth clearance 10″: 4.36″ (111 mm)
12″: 4.62″ (117 mm)
Frontal grille protrusion 0.87″ (22 mm)
Mounting hole 10″: 9.0625″ (230 mm)
12″: 11.0625″ (281 mm)
Bolt hole circle 10″: 9.7″ (246 mm)
12″: 11.7″ (297 mm)
Motor outer diameter 10″: 4.54″ (115 mm)
12″: 5.71″ (145 mm)
Driver displacement 10″: 0.047 cu ft (1.33 L)
12″: 0.072 cu ft (2.04 L)

Parameters

Free Air Resonance (FS) 10″ (2 Ω): 41.45 Hz
10″ (4 Ω): 38.09 Hz
12″ (2 Ω): 35.06 Hz
12″ (4 Ω): 32.35 Hz
Electrical “Q” (Qes) 10″ (2 Ω): 0.696
10″ (4 Ω): 0.639
12″ (2 Ω): 0.61
12″ (4 Ω): 0.555
Mechanical “Q” (Qms) 10″ (2 Ω): 9.7
10″ (4 Ω): 10.07
12″ (2 Ω): 10.662
12″ (4 Ω): 11.066
Total “Q” (Qts) 10″ (2 Ω): 0.649
10″ (4 Ω): 0.601
12″ (2 Ω): 0.577
12″ (4 Ω): 0.529
Equivalent Compliance (Vas) 10″ (2 Ω): 0.364 cu ft (10.31 L)
10″ (4 Ω): 0.429 cu ft (12.15 L)
12″ (2 Ω): 1.008 cu ft (28.54 L)
12″ (4 Ω): 1.189 cu ft (33.67 L)
One-way linear excursion (Xmax; specs are derived via one-way voice coil overhang method with no correction factors applied) 0.40″ (10 mm)
Effective piston area (SD) 10″: 41.602 in² (0.0268 m²)
12″: 67.608 in² (0.0436 m²)
DC resistance (RE) 10″ (2 Ω): 2.428 Ω
10″ (4 Ω): 3.516 Ω
12″ (2 Ω): 2.430 Ω
12″ (4 Ω): 3.514 Ω

Sealed Enclosure Specifications

Wall thickness 0.75″ (19 mm)
Front baffle thickness 0.75″ (19 mm)
Volume (net int.) 10″: 0.35 cu ft (9.91 L)
12″: 0.65 cu ft (18.41 L)
External width (W) 10″: 16.125″ (410 mm)
12″: 26.50″ (673 mm)
External height (H) 14″ (356 mm)
External depth (D) 10″: 5.25″ (133 mm)
12″: 5.50″ (140 mm)
-3 dB cutoff frequency (F3) 10″ (2 Ω): 48.31 Hz
10″ (4 Ω): 47.24 Hz
12″ (2 Ω): 45.83 Hz
12″ (4 Ω): 45.44 Hz
System resonance (FC) 10″ (2 Ω): 59.21 Hz
10″ (4 Ω): 56.83 Hz
12″ (2 Ω): 55.99 Hz
12″ (4 Ω): 54.41 Hz
System Q at resonance (QTC) 10″ (2 Ω): 0.927
10″ (4 Ω): 0.897
12″ (2 Ω): 0.92
12″ (4 Ω): 0.89

Ported Enclosure Specifications

Wall thickness 0.75″ (19 mm)
Front baffle thickness 0.75″ (19 mm)
Volume (net int.) 10″: 0.625 cu ft (17.7 L)
12″: 1.125 cu ft (31.86 L)
External width (W) 10″: 26.625″ (676 mm)
12″: 31.75″ (806 mm)
External height (H) 16″ (406 mm)
External depth (D) 10″: 5.25″ (133 mm)
12″: 7″ (178 mm)
Internal slot port width 10″: 3.75″ (95 mm)
12″: 5.50″ (140 mm)
Internal slot port height 10″: 1.875″ (48 mm)
12″: 2.25″ (57 mm)
Internal slot port length 10″: 22.50″ (572 mm)
12″: 22.625″ (575 mm)
Port extension length 10″: 20.8125″ (529 mm)
12″: 20.75″ (527 mm)
Tuning frequency (FB) 10″: 35.0 Hz
12″: 34.0 Hz
-3 dB cutoff frequency (F3) 10″ (2 Ω): 0.927
10″ (4 Ω): 0.897
12″ (2 Ω): 0.92
12″ (4 Ω): 0.89

Additional

Additional

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 multiples 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 in a bi-amplified system using high-quality satellites and a high-quality amplifier. We do not recommend the use of this with a passive crossover (coil), as this type of device will adversely affect performance.

All specifications are subject to change without notice.

Size

10\", 12\"

Impedance (ohm)

2 ohm, 4 ohm

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