Scanspeak Illuminator D3004/664000

Discover the ScanSpeak Illuminator D3004/664000, a premium 1" beryllium dome tweeter. This model features a 99% pure beryllium dome diaphragm and a large roll surround, providing a flat frequency response up to over 40 kHz and excellent off-axis dispersion. The silky-smooth sound is optimized by the unique AirCirc magnet system, which efficiently shapes the airflow in the chamber. With its enhanced midrange control capabilities, the Illuminator delivers excellent vocal reproduction and impressive sound imaging at all listening positions. The ScanSpeak Illuminator D3004/664000 is the right tweeter for anyone who values high quality sound.

• Beryllium diaphragm (99% pure Be)
• Patented symmetrical drive motor (SD-2)
• Black rubber-coated die-cast front panel
• AirCirc motor design with 6 neodymium magnets
• Large roll surround for wide distribution
• Non-magnetic, sonically transparent protective grille
• 1" (25mm) beryllium diaphragm (99% pure beryllium)
  
• 4 Ohm impedance
  
• Neodymium magnet system
  
• Patented SD-2 magnet system 
  
• Sound-transparent protective grille
  
• Die-cast housing & specially shaped back plate

• Cone / Dome Diameter 25 mm | 1"
  
• Load capacity (QMW) 90 watts
  
• Power (max) 150 watts
  
• Impedance (Z) 4 Ω
  
• Sensitivity 91.5 dB 2.83V/1m
  
• Resonant frequency (Fs) 500 Hz
  
• DC resistance (Re) 3 Ohm
  
• Voice Coil Inductance (Le) 0.03 mH
  
• Mechanical quality (Qms) 3.79
  
• Electromagnetic Q (Qes) 0.62
  
• Overall quality (Qts) 0.54
• Compliance Equivalent Volume (Vas): 0.0007 ft.³
• BL product (BL): 2.3 Tm 
• Mechanical compatibility of the suspension (Cms): 0.29 mm/N
• Diaphragm mass incl. air load (Mms): 0.35 g
• Maximum linear deflection (Xmax): 0.2 mm 
• Surface area of the cone (Sd): 7 ^cm2