SB Acoustics SB17NRX2C35-8 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 8 Ω
• DC resistance, Re 5.7 Ω
• Voice coil inductance, Le 0.15 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 36.5 Hz
• Sensitivity (2.83V/1m) 87 dB
• Mechanical Q-factor, Qms 4.55
• Electrical Q-factor, Qes 0.47
• Total Q-factor, Qts 0.42
• Moving mass incl. air,Mms 13.9 g
• Force factor, Bl 6.25 Tm
• Equivalent volume, Vas 27 liters
• Compliance, Cms 1.37 mm/N
• Mechanical loss, Rms 0.7 kg/s
• Rated power handling* 50 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.