12″ SB34SWNRX-S75-6 / Norex
Features
- Hard paper cone for improved piston operation (made in-house)
- Vented pole piece for minimum compression
- Vented cast aluminum chassis for optimum strength and low compression
- 3 copper voice coil (4-layer) for improved power handling
- Long life silver lead wires
- Low damping medium hardness rubber surround for improved linearity and power handling
- Non-conducting fiber glass voice coil former for minimum damping
Specs
- Nominal Impedance 6 Ω
- DC resistance, Re 4.5 Ω
- Voice coil inductance, Le 3.0 mH
- Effective piston area, Sd 508 cm2
- Voice coil diameter 75.6 mm
- Voice coil height 28.5 mm
- Air gap height 6 mm
- Linear coil travel (p-p) 22 mm
- Magnetic flux density 0.63 T
- Magnet weight 2.1 kg
- Net weight 5.85 kg
- Free air resonance, Fs 19 Hz
- Sensitivity (2.83V/1m) 88 dB
- Mechanical Q-factor, Qms 5.0
- Electrical Q-factor, Qes 0.34
- Total Q-factor, Qts 0.32
- Moving mass incl. air,Mms 154 g
- Force factor, Bl 15.4 Tm
- Equivalent volume, Vas 164 liters
- Compliance, Cms 0.46 mm/N
- Mechanical loss, Rms 3.7 kg/s
- Rated power handling* 200 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.