Scan Speak 18W/4434G00 Discovery

Scan Speak 18W/4434G00 Discovery Tief-/Mitteltöner

The Discovery series offer traditional design, superior sound, a solid construction, and a wide range of variants. Combining these elements - plus a wealth of technical features and finesses - it gives our customers the possibility of acquiring a tailor-made Scan-Speak solution with very good performance at a reasonable low price point!

T-S Parameters:

• Resonance frequency [fs]: 47 Hz
  
• Mechanical Q factor [Qms]: 7.81
  
• Electrical Q factor [Qes]: 0.37
  
• Total Q factor [Qts]: 0.35
  
• Force factor [Bl]: 6 Tm
  
• Mechanical resistance [Rms]: 0.55 kg/s
  
• Moving mass [Mms]: 14.41 g
  
• Suspension compliance [Cms]:  0.79 mm/N
  
• Effective diaph. diameter [D]: 132 mm
  
• Effective piston area [Sd]: 137 cm²
  
• Equivalent volume [Vas]: 20.7 l
  
• Sensitivity (2.83V/1m): 91.3 dB
  
• Ratio Bl/√Re: 3.48 N/√W
  
• Ratio fs/Qts: 134 Hz

Electrical Data:

• Nominal impedance [Zn]: 4 Ω
  
• Minimum impedance [Zmin]: 3.9 Ω
  
• Maximum impedance [Zo] 66.3 Ω
  
• DC resistance [Re]: 3 Ω
  
• Voice coil inductance [Le]: 0.39 mH
  

Power Handling:

• 100h RMS noise test (IEC 17.1): 55 W
  
• Long-term max power (IEC 17.3): 170 W
  

Voice Coil and Magnet Data:

• Voice coil diameter: 32 mm
  
• Voice coil height: 13.6 mm
  
• Voice coil layers: 2
  
• Height of gap: 5 mm
  
• Linear excursion: ± 4.3 mm
  
• Max mech. excursion: ± 8 mm
  
• Unit weight: 1.3 kg