Scanspeak 22W/4534G00 Woofer - Discovery Range

22W/4534G00

Scanspeak 22W/4534G00 Discovery Range 8 Inch 4 Ohm Woofer.

Discovery logo

This 220mm / 8 inch woofer features the patented woven glassfibre NRSC cone offering a very benign and smooth sound. The ferrite magnet assembly incorporates aluminium Faraday rings yielding a wide useable bandwidth. With a low resonance of just 30 Hz and a high efficiency of over 92 dB, this unit has a very pleasing sound with good authority and drive ; a solid choice for high quality 3 way DIY designs of medium to large dimensions. Also finds many applications as a quality 8 inch 4 Ohm replacement bass speaker.

A feature packed woofer with a host of advancements that is capable of very good results. Available in 4 and 8 Ohms.

Key Features:

  • High efficiency: 92.4dB @ 2.83V
  • Coated NRSC Fibre Glass Cone
  • Die cast Aluminium Chassis vented below spider
  • Low Resonant Freq. 30Hz
  • Low Damping SBR Rubber Surround

This woofer is 4 Ohms ; the 8 Ohm version is here :  22W/8534G00

Basic parameters:

Resonant frequency (fs) 30 Hz Nominal impedance (Zn) 4 Ω
Mechanical  Q factor (Qms) 3.70 DC resistance (Re) 3 Ω
Electrical Q factor (Qes) 0.37 RMS power handling 70 W
Total Q factor (Qts) 0.34 Sensitivity (2.83V/1m) 92.4 dB
Equivalent volume (Vas) 95 L Chassis diameter 225 mm

Here's the full datasheet:

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