EWXPW12D4

EWXPW12D4

$349.99

California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

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Categories: EWXPW, Subwoofers

Our engineers at DB Drive have designed this subwoofer from the ground up to shake the ground up. The double stitched 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.

- 3″ High-temperature voice coil
- 145 oz. ceramic ferrite magnet
- High-grade Low Carbon steel on top and bottom plate
- Designed to optimize SPL performance
- High excursion spider designed
- 1.5″ high roll foam surround
- Large gauge push button speaker terminals
- Dual 4 ohm voice coils

Physical Structure

Outside Diameter (A)	12.18″ (309.5mm)
Cutout Diameter (B)	11.06″ (280.92mm)
Mounting Depth (C)	5.92″ (150.36mm)

General Specifications
Structure	12″ (30.48cm) Woofer
Dynamic Power Handling	2500 Watts
Nominal Power Handling	1000 Watts
Impedance	Dual 4Ω Voice Coil

Parameters
Resonant Frequency (fs)	26.951Hz
D.C. Voice Coil Resistance (Re)	6.57Ω
Mechanical Quality Factor (Qms)	10.212
Electrical Quality Factor (Qes)	0.529
Total Quality Factor (Qts)	0.503
Equivalent Air Volume to Cms (Vas)	8.9 L
Mass of Diaphragm/Coil (Mms)	149.474 g
Force Factor (Bl)	17.724 N/A
Sound Pressure Level (SPL)	86.986 dB

Recommended Enclosures

Woofer Cut-out	11.06″ (280.92mm)
Mounting Depth	5.92″ (150.36mm)
Sealed Box	1.25 ft³ (35.39L)
Vented Box	1.78 ft³ (50.40L)
Vent Area	12.57 in² (81.09 cm²)
Vent Length	19″ (48.26cm)
Tuning	32Hz
Dynamic Power	1500 Watts
Nominal Power	500 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).