SB Acoustics™ SB19ST-C000-4 30W Dome Tweeter 

Professional soft fabric dome tweeter for a smooth frequency response.

 
Features:
 

• Optimized damping in pole cavity to eliminate internal reflection
• Saturation controlled motor system for reduced distortion
• CCAW voice coil for low moving mass
• Long life silver lead wires

Specs:

Nominal Impedance: 4Ω
DC Resistance (Re): 3.4Ω
Voice Coil Inductance (Le): 0.07mH
Effective Piston Area (Sd): 3.8cm²
Voice Coil Diameter: 19.1mm
Voice Coil Height: 1.8mm
Air Gap Height: 3mm
Linear Coil Travel (p-p): 1.2mm
Moving Mass Incl. Air, Mms: 0.22g
Free Air Resonance (Fs): 980Hz
Sensitivity (2.83V/1m): 88.5dB
Mechanical Q-Factor (Qms): 6.45
Electrical Q-Factor (Qes): 1.50
Total Q-Factor (Qts): 1.22
Force Factor (Bl): 1.75Tm
Rated Power Handling: 30W
Magnetic Flux Density: 1.24T
Magnet Weight: 0.13kg
Net Weight: 0.32kg