SB-Acoustics SB12NRX25-4 / Norex

FEATURES

• Proprietary cone material with natural fibres made in-house
• High damping Butyl rubber surround for non-resonant sound character
• Vented pole piece for reduced compression
• Vented cast aluminium chassis for optimum strength and low compression
• CCAW voice coil for reduced moving mass
• Long life silver lead wires
• Non-conducting fibre glass coil former for minimum damping

SPECS:

• Nominal Impedance 4 Ω
• DC resistance, Re 3.1 Ω
• Voice coil inductance, Le 0.14 mH
• Effective piston area, Sd 50 cm2
• Voice coil diameter 25.4 mm
• Voice coil height 15 mm
• Air gap height 5 mm
• Linear coil travel (p-p) 10 mm
• Magnetic flux density 0.84 T
• Magnet weight 0.32 kg
• Net weight 0.76 kg
• Free air resonance,
• Fs 55 Hz
• Sensitivity (2.83 V / 1 m) 87.5 dB
• Mechanical Q-factor, Qms 3.2
• Electrical Q-factor, Qes 0.46
• Total Q-factor, Qts 0.40
• Moving mass incl. air, Mms 5.6 g
• Force factor, Bl 3.6 Tm
• Equivalent volume, VAS 5.6 liters
• Compliance, Cms 1.57 mm/N
• Mechanical loss, Rms 0.6 kg/s
• Rated power handling* 30 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.

Je kunt alle uitgebreide technische gegevens vinden op het datablad, download dan onze PDF