SB Acoustics SB29RDNC-C000-4 Tweeter

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SB Acoustics SB29RDNC-C000-4 Tweeter

Key features
  • Non-resonant diaphragm design for minimum high frequency break-up
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency
  • Copper cap on pole piece for reduced voice coil inductance and minimum phase shift
  • Inherently shielded neodymium motor system
  • Internal pressure equalization and flow resistor for non-resonant coupling of cavities
  • Compact design

Short data

Usage as Tweeter
Power Handling 100 Watt
Impedance 4 Ohm
Frequency from 1500 Hz
Max. Frequency 20 kHz
Sound pressure 94.0 dB


Overall dimensions 104 mm
Baffle cutout 70 mm
Depth (Total) 37.8 mm
Voice coil Ø 29.0 mm
Voice coil height 2.0 mm
Air gap height 2.5 mm
Magnet Ø 70 mm
Magnet-weight 31 g


Resonance fs fs: 680 Hz
Mechanical Q Qms: 1.2
Electrical Q Qes: 0.72
Total Q Qts: 0.45
DC-Resistance Re: 3.0 Ohm
Coil Inductance Le: 0.05 mH
Moving Mass Mms: 0.45 g
Max. Excursion +/- Xmax: 0.5 mm
BL Product Bl: 2.6 N/A
Membrane Area Sd: 9.6 cm²
Sound pressure dB: 94.0 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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