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SB Acoustics Beryllium tweeter, SB29BNC-C000-4

Model SB29BNC-C000-4

Condition New

SB Acoustics Beryllium tweeter, SB29BNC-C000-4

Special 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

Specifications:

Nominal Impedance	4 Ω	Free air resonance, Fs	950 Hz
DC resistance, Re	3.0 Ω	Sensitivity (2.83 V / 1 m)	95 dB
Voice coil inductance, Le	0.05 mH	Mechanical Q-factor, Qms	1.36
Effective piston area, Sd	9.6 cm²	Electrical Q-factor, Qes	1.4
Voice coil diameter	29 mm	Total Q-factor, Qts	0.69
Voice coil height	2.0 mm	Force factor, Bl	2.6 Tm
Air gap height	2.5 mm	Rated power handling*	80 W
Linear coil travel (p-p)	0.5 mm	Magnetic flux density	1.2 T
Moving mass incl. air. Mms	0.46 g	Magnet weight	31 g
		Net weight	0.17 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.

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