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SPF10D4

SPF10D4

$269.99

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Download Manual

 

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Additional information

Dimensions 12.12 × 12 × 5.86 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.

  • 2.5″ (63mm)4 Layer Dual 4 Ohm VC w/ Aluminum Former
  • IMPP Cone with Foam Surround
  • 40 oz. Ferrite Magnet
  • Ultra Thin Stamped Steel Frame Design
  • Blue Zinc Finished Top and Bottom Plates
  • Mixed C Fiber Spider
  • Heavy Gauge Spring Terminals

Physical Structure

Outside Diameter (A) 10.43″ (265mm)
Cutout Diameter (B) 9.05″ (230mm)
Mounting Depth (C) 3.5″ (89mm)
General Specifications
Structure 10″ (25.4cm) Woofer
Dynamic Power Handling 1000 Watts
Nominal Power Handling 300 Watts
Impedance Dual 4Ω Voice Coil
Parameters
Resonant Frequency (fs) 27.409Hz
D.C. Voice Coil Resistance (Re) 6.410Ω
Mechanical Quality Factor (Qms) 7.757
Electrical Quality Factor (Qes) 0.857
Total Quality Factor (Qts) 0.739
Mass of Diaphragm/Coil (Mms) 124.362 g
Force Factor (Bl) 13.464
Sound Pressure Level (SPL) 82.9dB

Recommended Enclosures

Woofer Cut-out 9.05″ (230mm)
Mounting Depth 3.5″ (89mm)
Sealed Box 0.45 ft3 (12.74L)
Dynamic Power 1000 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