SB-ACOUSTICS SB29BAC-C000-4 / Beryllium

FEATURES:

• Beryllium dome for non-resonant high frequency extension
• Large surround dome for increased acoustic output
• Copper cap for reduced voice coil inductance and minimum phase shift
• Saturation controlled motor system for low distortion
• Dual balanced compression chambers for improved dynamics
• Flow optimized vented pole piece for optimum coupling to rear chamber
• Non-reflective rear chamber with optimized damping for improved dynamics
• CCAW voice coil for low moving mass
• Long life flexible lead wires
• Cast aluminium faceplate
• 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 650 Hz
• Sensitivity (2.83V/1m) 93 dB
• Mechanical Q-factor, Qms 2.71
• Electrical Q-factor, Qes 1.22
• Total Q-factor, Qts 0.84
• Force factor, Bl 2.4 Tm
• Rated power handling* 80 W
• Magnetic flux density 1.1 T
• Magnet weight 0.22 g
• Net weight 0.5 kg

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

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