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Scanspeak 15W/4434G00 Midwoofer - Discovery Range

Scanspeak 15W/4434G00 Discovery, 15cm Midwoofer with ringed magnet.

Discovery logo

This 6 inch / 150mm bass-midrange unit features the patented woven glassfibre NRSC cone offering a very benign and smooth sound. The ferrite magnet assembly is aluminium ringed (sometimes called Faraday rings) to control rising impedance at higher frequency which in turn offers a wider useable bandwidth. This unit is a solid choice for 2 way DIY designs and also finds many applications as a general 6" replacement drive unit.

Combining some advanced features, this is a great performer at this price point.  Available in 4 and 8 ohms.

Key Features:

  • High efficiency: 90dB @ 2.83V
  • Coated NRSC Fibre Glass Cone
  • Die cast Aluminium Chassis vented below spider
  • Aluminium Ringed Magnet System
  • Low Damping SBR Rubber Surround

This woofer is 4 Ohms ; the 8 Ohm version is here : 15W/8434G00

Basic parameters:

Resonant frequency (fs) 43 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 3.69 DC resistance (Re) 3 Ω
Electrical Q factor (Qes) 0.22 RMS power handling 60 W
Total Q factor (Qts) 0.21 Sensitivity (2.83V/1m) 89.7 dB
Equivalent volume (Vas) 12.8L Chassis diameter 149 mm

Here's the full datasheet:

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