QWX4000-15D4

QWX4000-15D4

$399.95

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Our engineers have designed this subwoofer from the ground up to shake the ground up. The foam surround along with the die-cast aluminum vented basket allow for maximum excursion while the protective magnet cover gives the woofer a rugged yet stylish appearance.

  • 2.5″ High Temperature Voice Coil
  • Compressed Paper Cone
  • Double Stitched Foam Surround
  • High Excursion Foam Surround
  • Die-Cast Aluminum Vented Basket
  • Proprietary Full Round PVC Gasket
  • Heavy Gauge Spring Terminal
  • Protective Magnet Cover

Physical Structure

Outside Diameter (A) 15.55″ (395mm)
Cutout Diameter (B) 13.85″ (351.685mm)
Mounting Depth (C) 7.25″ (184.2mm)
General Specifications
Structure 15″ (38.18cm) Woofer
Dynamic Power Handling 4000 Watts
Nominal Power Handling 2000 Watts
Impedance Dual 4Ω Voice Coil
Parameters
Sound Pressure Level (SPL) 87.8dB
XMAX 13mm
Resonant Frequency (fs) 37.904Hz
Compliance (Cms) 68.080 um/N
D.C. Voice Coil Resistance (Re) 6.8Ω
Mechanical Quality Factor (Qms) 4.648
Electrical Quality Factor (Qes) 0.873
Total Quality Factor (Qts) 0.735
Mass of Diaphragm/Coil (Mms) 258.97 g
Force Factor (BL) 10.631

Recommended Enclosures

Woofer Cut-out 13.85″ (351.68mm)
Mounting Depth 7.25″ (184.2mm)
Sealed Box 2.82 ft3 (79.85L)
Vented Box 2.96 ft3 (83.81L)
? Port Diameter 19.63 in (126.64 cm)
? Port length 11″ (70.96 cm)
? Tuning 35Hz
Dynamic Power 4000 Watts
Nominal Power 2000 Watts

Wiring Configuration

You can change the wiring configuration of your speakers (Series, Parallel and Series / Parallel) to match the impedance loads that maximizes the power output of you amplifier. Wiring the same woofer or multiple woofers in these three different wiring configurations will result in different impedance loads.

Series: Is the method of wiring of alternate positive with negative terminals (string method) (Illustration below)

Parallel:Is the method of wiring where you wire match 2 speaker terminals with positive to positive terminal and negative to negative. (Illustration below)

Series/Parallel: This configuration is a combination of both series and parallel. We recommend series for the terminal and parallel for the leads to amp. (Illustration below).

4 Ohm DVC Configuration

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