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ScanSpeak 18W, 8434G00 MidWoofer - Discovery Range

ScanSpeak 18W, 8434G00 MidWoofer - Discovery Range

A 7" MidWoofer (8 ohm), High output, excellent midrange performance.

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 customers the possibility of acquiring a tailor-made Scan-Speak solution with very good performance at a reasonable low price point.

Aluminium Ring Magnet System. Coated Glass Fibre cone, die cast aluminium chassis (vented below spider), and a low damping SBR Rubber surround.

 

Specification:

  • Resonance frequency [fs] 50 Hz
  • Mechanical Q factor [Qms] 7.58
  • Electrical Q factor [Qes] 0.46
  • Total Q factor [Qts] 0.43
  • Force factor [Bl] 7.2 Tm
  • Mechanical resistance [Rms] 0.57 kg/s
  • Moving mass [Mms] 13.7 g
  • Suspension compliance [Cms] 0.74 mm/N
  • Effective diaph. diameter [D] 132 mm
  • Effective piston area [Sd] 137 cm²
  • Equivalent volume [Vas] 19.5 l
  • Sensitivity (2.83V/1m) 88.7 dB
  • Ratio Bl/√Re 3.05 N/√W
  • Ratio fs/Qts 115 Hz

Electrical Data:

  • Nominal impedance [Zn] 8 Ω
  • Minimum impedance [Zmin] 6.7 Ω
  • Maximum impedance [Zo] 97.9 Ω
  • DC resistance [Re] 5.6 Ω
  • Voice coil inductance [Le] 0.55 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 13.4 mm
  • Voice coil layers 2
  • Height of gap 5 mm
  • Linear excursion ± 4.2 mm
  • Max mech. excursion ± 8 mm
  • Unit weight 1.3 kg

Price: (1off)
£47.12 +vat +p&p