SB ACOUSTICS SB29BNC-C000-4 29mm 4ohm Neodymium Beryllium Dome Tweeter

Features

• Beryllium dome for non-resonant high frequency extension
• Copper cap on pole piece for reduced voice coil inductance and minimum phase shift
• CCAW voice coil for low moving mass
• Internal pressure equalization and flow resistor for non-resonant coupling of cavities
• Long life flexible lead wires
• Inherently shielded neodymium motor system
• Compact design
• Low resonance frequency

Specs

• Nominal Impedance 4 Ω
• DC resistance, Re 3.0 Ω
• Voice coil inductance, Le 0.05 mH
• Effective piston area, Sd 9.6 cm²
• Voice coil diameter 29.0 mm
• Voice coil height 2.0 mm
• Air gap height 2.5 mm
• Linear coil travel (p-p) 0.5 mm
• Moving mass incl. air, Mms 0.46 g
• Free air resonance, Fs 950 Hz
• Sensitivity (2.83V/1m) 95 dB
• Mechanical Q-factor, Qms 1.36
• Electrical Q-factor, Qes 1.40
• Total Q-factor, Qts 0.69
• Force factor, Bl 2.6 Tm
• Rated power handling* 80 W
• Magnetic flux density 1.2 T
• Magnet weight 31 g
• Net weight 0.17 kg

* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct