Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Paper Cone Woofer |
Nominal Diameter |
34cm |
Impedance |
8 ohms |
Power Handling (RMS) |
200 W |
Frequency Response |
22 Hz |
Sensitivity |
91 dB |
Voice Coil Diameter |
76mm |
SB ACOUSTICS SB34NRXL75-8, 34cm NOREX PAPER CONE WOOFER 8OHM
Features
Hard paper cone for improved piston operation (made in-house)
Large motor system with under-cut pole piece and dual shorting rings
Vented pole piece for minimum compression
Vented cast aluminium chassis for optimum strength and low compression
3″ copper voice coil for improved power handling
Long life silver lead wires
Low damping rubber surround for improved dynamic linearity
Non-conducting fibre glass voice coil former for minimum damping
Optimized for vented enclosure
Specs
Nominal Impedance 8 Ω
DC resistance, Re 6.2 Ω
Voice coil inductance, Le 1.2 mH
Effective piston area, Sd 508 cm2
Voice coil diameter 75.6 mm
Voice coil height 28 mm
Air gap height 8 mm
Linear coil travel (p-p) 20 mm
Magnetic flux density 1.1 T
Magnet weight 3.6 kg
Net weight 8.9 kg
Free air resonance, Fs 22 Hz
Sensitivity (2.83V/1m) 91 dB
Mechanical Q-factor, Qms 5.5
Electrical Q-factor, Qes 0.29
Total Q-factor, Qts 0.28
Moving mass incl. air,Mms 93 g
Force factor, Bl 16.6 Tm
Equivalent volume, Vas 205 liters
Compliance, Cms 0.56 mm/N
Mechanical loss, Rms 2.35 kg/s
Rated power handling* 200 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.