Additional information
| Weight | 20 lbs |
|---|---|
| Dimensions | 9.25 × 9.25 × 6.81 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″ High Temperature Voice coil
- Reinforced paper cone
- Dual poly-cotton dampeners
- Stamped Cast basket
- Rubber gasket trim ring
- Large gauge compression terminals
- Protective magnet cover
Physical Structure
| Outside Diameter (A) | 8.42″ (214mm) |
| Cutout Diameter (B) | 6.90″ (230.57mm) |
| Mounting Depth (C) | 4.62″ (117.50mm) |
| General Specifications | |
|---|---|
| Structure | 8″ (20.3cm) Woofer |
| Dynamic Power Handling | 800 Watts |
| Nominal Power Handling | 400 Watts |
| Impedance | Dual 4Ω Voice Coil |
| Parameters | |
|---|---|
| Resonant Frequency (fs) | 41.702 Hz |
| D.C. Voice Coil Resistance (Re) | 3.2 Ω x 2 |
| Mechanical Quality Factor (Qms) | 2.230 |
| Electrical Quality Factor (Qes) | 0.447 |
| Total Quality Factor (Qts) | 0.372 |
| Equivalent Air Volume to Cms (Vas) | 8.417 m |
| Mass of Diaphragm/Coil (Mms) | 93.321 g |
| Force Factor (Bl) | 9.745 |
| Sound Pressure Level (SPL) | 84.3 dB |
Recommended Enclosures
| Woofer Cut-out | 6.90″ (175.38mm) |
| Mounting Depth | 4.62″ (117.50mm) |
| Sealed Box | 0.7cu ft (19.82 L) |
| Vented Box | 0.9cu ft (25.49L) |
| Vent Area | 7.06 in2 (45.6 cm2) |
| Vent Length | 8″ (20.32 cm) |
| Tuning | 45Hz |
| Dynamic Power | 800 Watts |
| Nominal Power | 400 Watts |
4 Ohm DVC 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).
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