Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Paper Cone Subwoofer |
Nominal Diameter |
34cm |
Impedance |
4 ohms |
Power Handling (RMS) |
300 W |
Frequency Response |
19 Hz |
Sensitivity |
85 dB |
Voice Coil Diameter |
76mm |
SB ACOUSTICS SB34SWPL76-4, 34cm NOREX PAPER CONE SUBWOOFER 4OHM
Features
Long stroke design
Linear high stability suspension
Low damping rubber surround
3’’ copper voice coil
Non-conducting reinforced fibre glass coil former
Very stiff hard paper cone (made in-house)
Vented cast aluminium chassis
Large vented motor system and vented coilformer
Long life silver lead wires
Specs
Nominal Impedance 4 Ω
DC resistance, Re 3.5 Ω
Voice coil inductance, Le 5.3 mH
Effective piston area, Sd 458 cm2
Voice coil diameter 76 mm
Voice coil height 38 mm
Air gap height 8 mm
Linear coil travel (p-p) 30 mm
Magnetic flux density 0.62 T
Magnet weight 2.4 kg
Net weight 7.68 kg
Free air resonance, Fs 19 Hz
Sensitivity (2.83V/1m) 85 dB
Mechanical Q-factor, Qms 8.6
Electrical Q-factor, Qes 0.34
Total Q-factor, Qts 0.33
Moving mass incl. air,Mms 266 g
Force factor, Bl 18.0 Tm
Equivalent volume, Vas 78.5 liters
Compliance, Cms 0.26 mm/N
Mechanical loss, Rms 3.7 kg/s
Rated power handling* 300 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.