Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Paper Cone Shallow Subwoofer |
Nominal Diameter |
27cm |
Impedance |
4 ohms |
Power Handling (RMS) |
80 W |
Frequency Response |
28 - 1000 Hz |
Sensitivity |
92 dB |
Voice Coil Diameter |
38.5mm |
SB ACOUSTICS SW26SFC38-4, 27cm PAPER CONE SHALLOW SUBWOOFER 4OHM
Features
Shallow light weight design
Hard pressed vented paper cone (made in-house)
Inverted low damping rubber surround
Symmetric suspension
Stacked neodymium motor with built-in soft limiting
Non-conducting fiber glass coil former
long life lead wires
Specs
Nominal impedance, 4 Ω
DC resistance, Re 3.5 Ω
Voice coil inductance, Le 1.27 mH
Effective piston area, Sd 340 cm2
Voice coil diameter 38.5 mm
Voice coil height 16 mm
Air gap height 9 mm
Linear coil travel (p-p) 7 mm
Magnetic flux density 0.72 T
Magnet weight 0.1 kg
Net weight 0.94 kg
Free air resonance, Fs 28 Hz
Sensitivity (2.83 V / 1 m) 92 dB
Mechanical Q-factor, Qms 5.04
Electrical Q-factor, Qes 0.33
Total Q-factor, Qts 0.31
Moving mass incl.air, Mms 63 g
Force factor, BI 10.8 Tm
Equivalent volume, Vas 84 liters
Compliance, Cms 0.51 mm/N
Mechanical loss, Rms 2.2 kg/s
Rated power handling* 80 W
* IEC 268-5, T/S parameters measured on drive units that are broke in.