SB Acoustics SB26STAC-C000-4 Tweeter

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SB Acoustics SB26STAC-C000-4 Tweeter

Key features
  • Cast aluminium faceplate
  • Copper cap for reduced voice coil inductance and minimum phase shift
  • Non-reflective rear chamber with optimized damping for improved dynamics
  • Flow optimized vented pole piece for optimum coupling to rear chamber
  • Fine weave soft fabric dome for smooth frequency response
  • Saturation controlled motor system for low distortion
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency

Short data

Usage as Tweeter
Power Handling 120 Watt
Impedance 4 Ohm
Frequency from 1000 Hz
Max. Frequency 40 kHz
Sound pressure 91.5 dB


Overall dimensions 100 mm
Baffle cutout 82.2 mm
Depth (Total) 39.7 mm
Voice coil Ø 25.4 mm
Voice coil height 1.3 mm
Air gap height 2.5 mm
Magnet Ø 70 mm
Magnet-weight 22 g


Resonance fs fs: 750 Hz
Mechanical Q Qms: 3.0
Electrical Q Qes: 1.78
Total Q Qts: 1.12
DC-Resistance Re: 3.2 Ohm
Coil Inductance Le: 0.04 mH
Moving Mass Mms: 0.33 g
Max. Excursion +/- Xmax: 1.2 mm
BL Product Bl: 1.6 N/A
Membrane Area Sd: 6.2 cm²
Sound pressure dB: 91.5 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

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