ScanSpeak D2905, 970000 Tweeter - Classic Range

ScanSpeak D2905, 970000 Tweeter - Classic Range

Scanspeak D2905/970000 features a specially hand-coated 1" textile diaphragm, and uses the Symmetrical Drive SD-2 motor, which gives frequency extension above 30KHz, high power handling and low resonances. Very low Fs. Aluminium faceplate.

This tweeter has a low resonance rear chamber.

Specification:

  • Resonance frequency [fs] 500 Hz
  • Mechanical Q factor [Qms] 3.45
  • Electrical Q factor [Qes] 0.54
  • Total Q factor [Qts] 0.47
  • Force factor [Bl] 3.5 Tm
  • Mechanical resistance [Rms] 0.41 kg/s
  • Moving mass [Mms] 0.45 g
  • Suspension compliance [Cms] 0.23 mm/N
  • Effective diaph. diameter [D] 33 mm
  • Effective piston area [Sd] 8.5 cm²
  • Equivalent volume [Vas] 0.02 l
  • Sensitivity (2.83V/1m) 89.5 dB
  • Ratio Bl/√Re 1.61 N/√W
  • Ratio fs/Qts 1068 Hz

Electrical Data:

  • Nominal impedance [Zn] 6 Ω
  • Minimum impedance [Zmin] 5.7 Ω
  • Maximum impedance [Zo] 34.6 Ω
  • DC resistance [Re] 4.7 Ω
  • Voice coil inductance [Le] 0.01 mH
  • Power Handling 100h RMS noise test (IEC 17.1)* 225 W

Voice Coil and Magnet Data

  • Voice coil diameter 28 mm
  • Voice coil height 3.3 mm
  • Voice coil layers 2
  • Height of gap 2.5 mm
  • Linear excursion ± 0.4 mm
  • Max mech. excursion ± 1.5 mm
  • Unit weight 0.7 kg

PRICE (1 off)
£118.32 +vat+p&p

 

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