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Vifa PL18WO-09-08 Woofer

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The Vifa PL18WO-09-08 is a 180mm woofer featuring a coated NRSC pulp cone, a slimline magnesium chassis and a large vented magnet system. This is a very fine sounding drive unit, the frequency range between 200Hz and 3Khz is held within 3dB limits.

Now made by Scanspeak in Denmark using the original Vifa tooling.

High performance upgrade replacement for many 180mm bass units, works superbly in the Posselt Albatross.

Key Features:

  • Even handed response, capable of excellent results
  • Treated NRSC pulp cone
  • Low loss linear rubber suspension
  • Slimline magnesium chassis
  • Huge vented magnet system
  • Gold plated terminals

Basic parameters:

Resonant frequency (fs) 38 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 2.46
DC resistance (Re) 5.8 Ω
Electrical Q factor (Qes) 0.40
RMS power handling 100 W
Total Q factor (Qts) 0.34
Sensitivity (2.83V/1m) 87 dB
Equivalent volume (Vas) 25L
Chassis diameter 180 mm

Here's the full datasheet:

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