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Scanspeak D2905/970000 Tweeter - Classic Range

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The Scanspeak D2905/970000 has a high power handling of 225W and a frequency response to above 30KHz. Features include a hand coated 25mm soft textile dome, an airflow optimised copper capped pole piece and a tuned rear chamber with an integral resonance damping plug.

This tweeter also benefits from the Scanspeak SD2 'Symmetrical Drive' system incorporating a copper capped and sleeved centre pole piece;  this effectively forms a very low impedance shorted turn (called a Faraday ring) within the magnet circuit, the net result being that the voice coil impedance remains largely constant across it's operating frequency range resulting in a more linear output with greater top end extension.

This is a highly advanced design with a sweet, detailed sound. Found in many high-end designs and is a top choice for DIY high performance loudspeakers.

We stock a replacement dome for this tweeter here:  D2905/970000 Dome

Key Features:

  • Patented Symmetrical Drive (SD-2) motor
  • Hand coated 1" Textile Dome Diaphragm
  • Low Resonance Rear Chamber
  • Black Aluminium Face Plate
  • Low viscosity Ferro Fluid

Basic parameters:

Resonant frequency (fs) 500 Hz Nominal impedance (Zn) 6 Ω
Effective diaphragm diameter 28mm DC resistance (Re) 4.7 Ω
Ferrofluid ? Y/N Yes RMS power handling 225 W
Recommended crossover 2.8kHz/12dB Faceplate diameter 104.5 mm
Sensitivity (2.83V/1m) 89.5 dB Cutout hole diameter 75 mm

Here's the full datasheet:

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