G7 18.1
G7 18.1
G7 18.1
G7 18.1
G7 18.1

G7 18.1

$1,699.98

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Category:
000

Download Manual

 

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

Additional information

Weight 75 lbs
Dimensions 21 × 18 × 18 in

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.

  • High excursion foam surround
  • True Carbon fiber dust cap
  • Custom Die cast Aluminum Basket
  • Triple Layer Progressive dampeners
  • Large Gauge push speaker terminals
  • 3-inch-high temperature 4-layer voice coil
  • Custom Rubber protective magnet band
  • Triple stacked Y35 ferrite oxide magnet

Physical Structure

Outside Diameter (A)
Cutout Diameter (B)
Mounting Depth (C)
General Specifications
Structure 18″ (45.72cm) Woofer
Dynamic Power Handling 8000 Watts
Nominal Power Handling 4000 Watts
Impedance Dual 1Ω Voice Coil
Parameters
Resonant Frequency (fs) 27.002Hz
D.C. Voice Coil Resistance (Re) 2 x 2Ω
Mechanical Quality Factor (Qms) 2.336
Electrical Quality Factor (Qes) 0.828
Total Quality Factor (Qts) 0.611
Equivalent Air Volume to Cms (Vas) 106.732L
Mass of Diaphragm/Coil (Mms) 594.496g
Force Factor (Bl) 13.060 N/A
Sound Pressure Level (SPL) 85.9dB

Recommended Enclosures

Woofer Cut-out
Mounting Depth
Sealed Box
Vented Box
Vent Area
Vent Length
Tuning
Dynamic Power 8000 Watts
Nominal Power 4000 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).

1 & 2 Ohm DVC wiring Configuration

4 Ohm DVC wiring Configuration

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