SPX12D4

SPX12D4

$149.95

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Download Manual

 

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

Additional information

Weight 10 lbs
Dimensions 13.18 × 13.18 × 6.96 in

Our engineers at DB Drive 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″ (50mm) Voice Coil w/ KSV Former
  • PP Cone Structure with Foam Surround
  • Vac PP Dome
  • Ferrite Oxide Magnet
  • Anti-resonant Stamped Steel frame
  • High Carbon Steel top and bottom plates
  • Poly-Cotton Dampeners
  • Compression Speaker Terminals

Recommended Amplifier – 1 Sub @ 2Ohms SPA6.1M

Recommended Amplifier – 2 Subs @ 1Ohm SPA12.1D

Physical Structure

Outside Diameter (A) 12.50″ (317mm)
Cutout Diameter (B) 10.89″ (276.5mm)
Mounting Depth (C) 5.43″ (138mm)
General Specifications
Structure 12″ (3.48cm) Woofer
Dynamic Power Handling 900 Watts
Nominal Power Handling 300 Watts
Impedance Dual 4Ω Voice Coil
Parameters
Resonant Frequency (fs) 28.7Hz
D.C. Voice Coil Resistance (Re) 6.4Ω
Mechanical Quality Factor (Qms) 8.16
Electrical Quality Factor (Qes) 1.09
Total Quality Factor (Qts) 0.96
Mass of Diaphragm/Coil (Mms) 111.1 g
Force Factor (Bl) 10.9
Sound Pressure Level (SPL) 85.65dB

Recommended Enclosures

Woofer Cut-out 10.89″ (276mm)
Mounting Depth 5.9″ (150mm)
Sealed Box 1.4 ft3 (39.64L)
Vented Box 1.7 ft3 (48.13L)
? Vent Area 12.57 in2 (81.09 cm2)
? Vent Length 12″ (30.48 cm)
? Tuning 37Hz
Dynamic Power 900 Watts
Nominal Power 300 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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