JL AUDIO 12TW1

JL AUDIO 12TW1 žemų dažnių garsiakalbis

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265,00 €
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Mažo montavimo gylio žemų dažnių garsiakalbis.

Dydis: 12"

Galia: 300W RMS

Varža: 4ohm

Kiekis
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Table_Image
Continuous Power Handling (RMS) 300 W
Recommended Amplifier Power (RMS) 75 - 300 W
Nominal Impedance (Znom) 4 Ω

Physical Specifications

Table_Image
Nominal Diameter 12.0 in / 300 mm
Overall Diameter (A) 12.375 in / 314 mm
Mounting Hole Diameter (B) 11.0625 in / 281 mm
Bolt Hole Circle Diameter (C) 11.7 in / 297 mm
Motor Outer Diameter (D) 5.71 in / 145 mm
Mounting Depth (E) 4.62 in / 117 mm
Front Grille Protrusion (F) 0.87 in / 22 mm
Driver Displacement 0.072 cu ft / 2.04 L
Net Weight 16.5 lb / 7.5 kg

Parameters

Free Air Resonance (Fs) 32.35 Hz
Electrical “Q” (Qes) 0.555
Mechanical “Q” (Qms) 11.066
Total Speaker “Q” (Qts) 0.529
Equivalent Compliance (Vas) 1.189 cu ft / 33.67 L
One-Way Linear Excursion (Xmax)* 0.40 in / 10.0 mm
Efficiency (1 W / 1 m)** 85.15 dB SPL
Effective Piston Area (Sd) 67.608 sq in / 0.0436 sq m
DC Resistance (Re) 3.514 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

Table_Image
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 45.44 Hz
Fc 54.41 Hz
Qtc 0.89

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

Table_Image
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 31.79 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.

12TW1
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