SB Acoustics Satori TW29BNWG-4 Beryllium Dome Tweeter with Wave Guide

Features:

• Beryllium dome for non-resonant high-frequency extension
• Dual balanced compression chambers for improved dynamics
• Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
• High saturation neodymium motor system with  T-shaped pole piece for lower distortion
• Non-reflective cast aluminum chamber with  optimized damping for improved dynamics
• Shallow flow optimized magnet structure for optimum coupling to the rear chamber
• CCAW voice coil for low moving mass
• Long life silver lead wires
• Low resonance frequency for extended range
• Solid aluminium waveguide
• Controlled directivity
• Adapter ring for bolt-less mounting to driver

Specifications:

• Nominal Impedance 4 ?
• DC resistance, Re 3.0 ?
• Voice coil inductance, Le 0.02 mH
• Effective piston area, Sd 9.6 cm²
• Voice coil diameter 29.0 mm
• Voice coil height 2.0 mm
• Air gap height 3.0 mm
• Linear coil travel (p-p) 1.0 mm
• Moving mass incl. air, Mms 0.46 g
• Free air resonance, Fs 700 Hz
• Sensitivity (2.83V/1m) 97 dB
• Mechanical Q-factor, Qms 2.1
• Electrical Q-factor, Qes 0.60
• Total Q-factor, Qts 0.46
• Force factor, Bl 3.1 Tm
• Rated power handling* 80 W
• Magnetic flux density 1.5 T
• Magnet weight 0.1 kg
• Net weight 0.6 kg

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