JL Audio 8W3V3-4
8" (20cm) subwoofer
still
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Description
The 8W3V3-4 is an 8-inch subwoofer from the popular audio manufacturer JL Audio. This subwoofer is part of the W3v3 series, which has established itself as a JL Audio bestseller thanks to its unbeatable price-performance ratio. With a continuous power handling of 250W and 4 ohms, this subwoofer delivers outstanding bass in an extremely compact form. Whether in a sealed enclosure or a bass reflex enclosure, the 8W3V3-4 impresses with its performance and accuracy. It is the perfect subwoofer for lovers of deep and precise bass.
Features
- W3v3 8-inch subwoofer (250 W, 4 Ω)
- If you need an 8-inch subwoofer that can produce excellent bass in extremely small cabinets, the 8W3v3 will do the job and surprise you with its power and accuracy.
- It uses the same technologies as its larger diameter brethren and delivers a whopping 0.375 in. (10 mm) of controlled, easy linear deflection.
- The 8W3v3-4 is best used with amplifier power in the 75W - 250W range and is optimized for operation in a tiny sealed enclosure of 8.5L (0.30 cu. ft.) or a bass reflex enclosure with 9.9L (0.35 cu. ft.) port.
General specifications
- Continuous load capacity (RMS) : 250 W
- Recommended amplifier power (RMS) : 75- 250 W
- Nominal impedance (Znom) : 4 Ω
Dimensions
- Nominal diameter : 8.0 inch / 200 mm
- Overall diameter (A): 217 mm / 8.54 inches
- Diameter of the mounting hole (B) : 180 mm / 7.09 inch
- Bolt circle diameter (C) : 199 mm / 7.85 inch
- Motor outer diameter (D): 121 mm / 4.75 inches
- Installation depth (E) : 118 mm (4.63 inches)
- Volume displacement : 0.03 cu ft / 0.85 L
- Net weight: 3.7 kg / 8.2 lb
Parameters
- Free air resonance (Fs) : 35.14 Hz
- Electrical "Q" (Qes) : 0.501
- Mechanical "Q" (Qms) : 7.071
- Total quality "Q" (Qts) : 0.467
- Equivalent volume (Vas) : 0.54 cu ft / 15.29 L
- Simple linear deflection (Xmax) : 0.375 inch/10.0 mm
- Reference efficiency : 0.13%
- Efficiency (1 W / 1 m) : 83.24 dB SPL
- Effective diaphragm area (Sd) : 0.021 square meters
- DC resistance (Re) : 3.77 Ω
Housing recommendation for a closed housing
- Wall thickness: 19 mm / 0.75 inch
- Thickness of the front baffle: 19 mm / 0.75 inch
- Volume (net int.) : 0.30 cu ft / 8.5 L
- Outer width (W) : 254 mm (10 inch)
- Outer height (H): 254 mm (10 inches)
- Outer depth (D) : 241 mm (9.5 inches)
- F3 : 54 Hz
- Fc : 58.8 Hz
- Qtc : 0,783
Enclosure recommendations for a bass reflex enclosure
- Wall thickness: 19 mm / 0.75 inch
- Thickness of the front baffle: 19 mm / 0.75 inch
- Volume (net int.) : 0.35 cu ft / 9.9 L
- Outer width (W) : 330 mm (13 inch)
- Outer height (H): 254 mm (10 inches)
- Outer depth (D) : 9.25 inch / 203 mm
- Internal port diameter (ID) : 2 inch / 51 mm
- Connection length (L) : 457 mm (round connection requires a 90º elbow to fit into the specified housing)
- Tuning frequency : (Fb)35 Hz
- F3 : 41.0 Hz
