SB-Acoustics SB29SDNC-C000-4 / Fabric

FEATURES

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

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 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 0.45 g
• Free air resonance, Fs 630 Hz
• Sensitivity (2.83 V / 1 m) 95.5 dB
• Mechanical Q-factor, Qms 1.3
• Electrical Q-factor, Qes 0.79
• Total Q-factor, Qts 0.49
• 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.

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