Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Polypropylene Cone Woofer |
Nominal Diameter |
17cm |
Impedance |
4 ohms |
Power Handling (RMS) |
60 W |
Frequency Response |
31 Hz |
Sensitivity |
90 dB |
Voice Coil Diameter |
35mm |
SB ACOUSTICS SB17MFC35-4, 17cm POLYPROPYLENE CONE MIDWOOFER 4OHM
Features
Vented cast aluminum chassis for optimum strength and low compression
Mineral filled PP-cone made in-house
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 4 Ω
DC resistance, Re 3.1 Ω
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 1.0 T
Magnet weight 0.54 kg
Net weight 1.55 kg
Free air resonance, Fs 30 Hz
Sensitivity (2.83 V / 1 m) 90 dB
Mechanical Q-factor, Qms 5.2
Electrical Q-factor, Qes 0.30
Total Q-factor, Qts 0.28
Moving mass incl. air, Mms 12.3 g
Force factor, Bl 4.9 Tm
Equivalent volume, VAS 45 liters
Compliance, Cms 2.29 mm/N
Mechanical loss, Rms 0.45 kg/s
Rated power handling* 60 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.