SB Acoustics SB34SWPL76-4
12" (30cm) subwoofer
/piece
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Your advantages with Masori
Description
The SB Acoustics SB34SWPL76-4 12" paper cone subwoofer has a very rigid hard paper cone manufactured in-house. This gives SB Acoustics control over the tolerances used in the manufacturing process. The result is a precise and consistent product. This makes it a powerful and exceptionally stable subwoofer for any subwoofer DIY project.
Highlights
- Construction with long stroke
- Linear edging with high stability
- Rubber surround with low damping
- 3" copper voice coil
- Non-conductive, reinforced glass fiber coil carrier
- Very rigid hard paper diaphragm (own production)
- Ventilated cast aluminum chassis
- Large ventilated motor system and ventilated bobbin
- Durable silver wires
Data
- Nominal impedance 4 Ohm
- DC resistance, Re 3.5
- Inductance of the voice coil, Le 5.3 mH
- Effective piston area, Sd 458 cm²
- Diameter of the voice coil 76 mm
- Height of the voice coil 38 mm
- Height of the air gap 8 mm
- Linear coil stroke (p-p) 30 mm
- Magnetic flux density 0.62 T
- Weight of the magnet 2.4 kg
- Net weight 7.68 kg
- Resonance of free air, Fs 19 Hz
- Sensitivity (2.83V/1m) 85 dB
- Mechanical Q-factor, Qms 8.6
- Electrical Q-factor, Qes 0.34
- Total Q-factor, Qts 0.33
- Moving mass incl. air, Mms 266 g
- Force factor, Bl 18.0 Tm
- Equivalent volume, Vas 78.5 liters
- Compliance, Cms 0.26 mm/N
- Mechanical loss, 3.7 kg/s
- Rated load capacity 300 watts RMS
