Midwoofer CAC SB-Acoustics 6" SB17CAC35-4 Ceramic Speaker

Features
Vented cast aluminum chassis for optimum strength and low compression
Geometrically reinforced ceramic cone for optimum piston operation and reduced break-up
Soft low damping rubber surround for improved transient response
Non-conducting fibre glass voice coil former for minimum damping
Extended copper sleeve on pole piece for low inductance and low distortion
CCAW voice coil for reduced moving mass
Long life silver lead wires
Vented pole piece for reduced compression

Specs
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 1.0 T
Magnet weight 0.54 kg
Net weight 1.56 kg
Free air resonance, Fs 28 Hz
Sensitivity (2.83 V / 1 m) 86.5 dB
Mechanical Q-factor, Qms 4.46
Electrical Q-factor, Qes 0.40
Total Q-factor, Qts 0.36
Moving mass incl. air, Mms 15.4 g
Force factor, Bl 6.2 Tm
Equivalent volume, VAS 42 liters
Compliance, Cms 2.13 mm/N
Mechanical loss, Rms 0.6 kg/s
Rated power handling* 60 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.