SB Acoustics SB17NRX2C35-4 6'' Papyrus fiber cone Woofer
Features:
- Vented cast aluminum chassis for optimum strength and low compression
- Proprietary cone material with natural fibers made in-house
- Soft low damping rubber surround for transient response
- Non-conducting fiber glass voice coil former for minimum damping
- Extended copper sleeve on pole piece for low inductance and low distortion
- Vented coil former
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
- Vented pole piece for reduced compression
Specifications:
- Nominal Impedance 4 ?
- DC resistance, Re 3.1 ?
- Voice coil inductance, Le 0.13 mH
- Effective piston area, Sd 118 cm2
- Voice coil diameter 35.5 mm
- Voice coil height 16 mm
- Air gap height 5 mm
- Linear coil travel (p-p) 11 mm
- Magnetic flux density 0.93 T
- Magnet weight 0.54 kg
- Net weight 1.56 kg
- Free air resonance, Fs 36 Hz
- Sensitivity (2.83V/1m) 90 dB
- Mechanical Q-factor, Qms 4.49
- Electrical Q-factor, Qes 0.41
- Total Q-factor, Qts 0.37
- Moving mass incl. air,Mms 13.9 g
- Force factor, Bl 4.9 Tm
- Equivalent volume, Vas 27.6 liters
- Compliance, Cms 1.4 mm/N
- Mechanical loss, Rms 0.7 kg/s
- Rated power handling* 60 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.