Scanspeak Classic D2905/970000 Tweeter

D2905/970000

Upgraded version of the excellent D2905/950000 with Symmetrical Drive.

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High power handling of 225 W and frequency extension to above 30KHz. Hand coated textile dome and airflow optimised copper capped pole piece. The rear chamber features a resonance damping plug. The phase and distortion performance is still regarded as exceptional after 3 decades. A superb, sweet and highly detailed sounding tweeter. Found in many high end designs, this tweeter is a top choice for DIY / home-built high performance loudspeakers.

Symmetrical drive is a system incorporating copper caps / sleeve around the 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 tweeter voice coil impedance remains largely constant across it's operating frequency range, resulting in a more linear output with greater top end extension.

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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Priced as singles including VAT.

D2905/9700




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