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SB Acoustics SB26STAC-C000-4 Tweeter

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The SB26STAC-C000-4 is a 26mm soft dome tweeter from SB Acoustics featuring a 100mm cast aluminium faceplate. The frequency response and dispersion of this tweeter is very good, nothing else really competes at this price.

Key Features:

  • Copper capped pole piece for reduced voice coil inductance and minimum phase
  • Non-reflective rear chamber with optimised damping for improved dynamics
  • Flow optimised 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 resonant frequency

Basic parameters:

Resonant frequency (fs) 750 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 26mm DC resistance (Re) 3.2 Ω
Ferrofluid ? Y/N Yes
Max power handling 120 W
Recommended crossover 2.6kHz/12dB Faceplate diameter
Sensitivity (2.83V/1m) 91.5dB Cutout hole diameter 74mm

Here's the full datasheet:

.pdf link