JL AUDIO 12W7AE žemų dažnių garsiakalbis - Žemų dažnių garsiakalbiai

JL AUDIO 12W7AE žemų dažnių garsiakalbis

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849,00 €
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Automobilinis žemų dažnių garsiakalbis.

Dydis: 12" (30cm)

Galingumas: 1000W RMS

Varža: 3 ohm

Kiekis
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Table_Image
Continuous Power Handling (RMS) 1000 W
Recommended Amplifier Power (RMS) 400 - 1000 W
Nominal Impedance (Znom) 3 Ω

Physical Specifications

Table_Image
Nominal Diameter 12.0 in / 300 mm
Overall Diameter (A) 12.5 in / 318 mm
Mounting Hole Diameter (B) 10.5 in / 267 mm
Bolt Hole Circle Diameter (C) 11.27 in / 286 mm
Motor Outer Diameter (D) 7.5 in / 191 mm
Mounting Depth (E) 9.5 in / 241 mm
Driver Displacement 0.14 cu ft / 4.0 L
Net Weight 45 lb / 20.4 kg

Parameters

Free Air Resonance (Fs) 27.2 Hz
Electrical “Q” (Qes) 0.514
Mechanical “Q” (Qms) 7.807
Total Speaker “Q” (Qts) 0.482
Equivalent Compliance (Vas) 2.33 cu ft / 66.0 L
One-Way Linear Excursion (Xmax)* 1.15 in / 29 mm
Reference Efficiency (no) 0.25%
Efficiency (1 W / 1 m)** 86.2 dB SPL
Effective Piston Area (Sd) 84 sq in / 0.0542 sq m
DC Resistance (Re) 2.47 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 1.0 in / 25 mm
Volume (net int.) 1.375 cu ft / 38.94 L
External Width (W) 15 in / 381 mm
External Height (H) 15 in / 381 mm
External Depth (D) 16.125 in / 410 mm
F3 40.4 Hz
Fc 44.7 Hz
Qtc 0.791

Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.

* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.

The dimensions given for the enclosure examples above take all applicable displacements into consideration

Ported Enclosure Specifications

Table_Image
Wall Thickness 0.75 in / 19 mm
Front Baffle Thickness 1.0 in / 25 mm
Volume (net int.) 1.75 cu ft / 49.6 L
External Width (W) 22.75 in / 578 mm
External Height (H) 15 in / 381 mm
External Depth (D) 15.875 in / 403 mm
Internal Slot Port Width (SW) 1.875 in / 48 mm
Internal Slot Port Height (SH) 13.5 in / 343 mm
Internal Slot Port Length (SL) 24.75 in / 629 mm
Port Extension Length (EL) 7.9375 in / 202 mm
Tuning Frequency (Fb) 36.7 Hz
F3 32.8 Hz

Enclosure Notes
Net volumes given above do not include the air volume displaced by the speaker (Driver Displacement). This value must be added to the net volume along with the displacement of any braces and/or ports (if applicable) to arrive at a gross internal volume. Air inside a port is not part of the effective net volume. Calculate ports as solid, not hollow objects.

* The W7’s employ a pole vent to remove heat and pressure from the inside of the speaker.This vent is located at the rear of the speaker. A minimum distance of 0.75 in (19 mm) is required between the back of the speaker and any wall of the enclosure to allow proper operation of the pole vent.

The dimensions given for the enclosure examples above take all applicable displacements into consideration

12W7AE
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