SB Acoustics SB21RDC-C000-4 Ring Dome Tweeter
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Product description
Non-resonant diaphragm design for minimum high frequency break-up
Dual balanced compression chamber for improved dynamics
Copper cap for reduced voice coil inductance and minimum phase shift
Saturation controlled motor system for low distortion
Non-reflective rear chamber with optimized damping for improved dynamics
Flow optimized vented pole piece for optimum coupling to rear chamber
CCAW voice coil for low moving mass
Long life silver lead wires
Low resonance frequency
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Product details
SB Acoustics SB21RDC-C000-4 3/4" Ring Tweeter
Non-resonant diaphragm design for minimum high frequency break-up and dual balanced compression chamber for improved dynamics. Copper cap for reduced voice coil inductance and minimum phase shift. Saturation controlled motor system for low distortion. Non-reflective rear chamber with optimized damping for improved dynamics. Flow optimized vented pole piece for optimum coupling to rear chamber. CCAW voice coil for low moving mass. Long life silver lead wires and low resonance frequency.
Specifications: BL Product (BL): 1.5 Tm N • Diaphragm Mass Inc. Airload (Mms): 0.25 g • Maximum Linear Excursion (Xmax): 0.5 mm • Surface Area of Cone (Sd): 4.6 cm2
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Specifications
Article numberSB21RDC-C000-4
Tweeter TypeRing Radiator
Cone / Dome Diameter20 mm | 4/5"
Power Handling (RMS)40 Watts
Impedance (Z)4 Ω
Sensitivity (SPL at 1m / 2.83V)90 dB
Resonant Frequency (Fs)760 Hz
DC Resistance (Re)3.1 ohms
Voice Coil Inductance (Le)0.04 mH
Mechanical Q (Qms)2.54
Electromagnetic Q (Qes)1.64

