SB Acoustics Satori TW29BN-B-4 Berillyum Tweeter black

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SB Acoustics Satori TW29BN-B-4 Berillyum Tweeter

Key Features:
  • Beryllium dome for non-resonant high frequency extension
  • Two part aluminium faceplate with integrated mechanical decoupling
  • 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 aluminium chamber with optimized damping for improved dynamics
  • Shallow flow optimized magnet structure for optimum coupling to rear chamber
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency for extended range

Short data

Usage as Tweeter
Power Handling 80 Watt
Impedance 4 Ohm
Frequency from 1000 Hz
Max. Frequency 40 kHz


Overall dimensions Ø104 mm
Baffle cutout Ø70 mm
Depth (Total) 27.5 mm
Front material Aluminium
Membrane Type Dome
Membrane Material Beryllium
Voice coil Ø 29 mm
Voice coil height 2 mm
Voice coil material Aluminium
Magnet Ø 70 mm
Magnet-weight 110 g
Magnet-inductance 1.5 T


Resonance fs fs: 700 Hz
Mechanical Q Qms: 2.1
Electrical Q Qes: 0.60
Total Q Qts: 0.46
DC-Resistance Re: 3.0 Ohm
Coil Inductance Le: 0.02 mH
Moving Mass Mms: 0.46 g
Max. Excursion +/- Xmax: 0.5 mm
BL Product Bl: 3.1 N/A
Membrane Ø Md: 29
Membrane Area Sd: 9.6 cm²
Sound pressure dB: 95 SPL

Frequency and Impendance

Technical Dimensions

PDF-Product information

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