SB Acoustics SB42FHCL75-6 15" Honeycomb cone SubWoofer
Features
- Light weight rigid honeycomb cone (hard paper honeycomb with fiber glass skin layers)
- 3″ copper voice coil for improved power handling
- Long life silver lead wires
- Vented pole piece for minimum compression
- Vented cast aluminum chassis for optimum strength and low compression
- Low damping rubber surround for improved dynamic linearity
- Non-conducting fiber glass voice coil former for minimum damping
- Large motor system
Specifications
- Nominal Impedance 6 ?
- DC resistance, Re 4.6 ?
- Voice coil inductance, Le 2.1 mH
- Effective piston area, Sd 850 cm2
- Voice coil diameter 75.6 mm
- Voice coil height 31 mm
- Air gap height 8 mm
- Linear coil travel (p-p) 23 mm
- Magnetic flux density 1.1 T
- Magnet weight 3.6 kg
- Net weight 10.2 kg
- Free air resonance, Fs 18.4 Hz
- Sensitivity (2.83V/1m) 93 dB
- Mechanical Q-factor, Qms 7.4
- Electrical Q-factor, Qes 0.32
- Total Q-factor, Qts 0.31
- Moving mass incl. air,Mms 166 g
- Force factor, Bl 16.7 Tm
- Equivalent volume, Vas 462 liters
- Compliance, Cms 0.45 mm/N
- Mechanical loss, Rms 2.6 kg/s
- Rated power handling* 300 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
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