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Pair of HiVi D-10.8 10" Poly Cone Woofers. Brand new item

  • Closed: Thu 10 May 2012, 9:00 pm
Listing #: 472441906
This listing is for a new pair of HiVi D-10.8 10" Poly Cone Woofers .

Originally bought from Parts Express in the USA, they are unused, and have only been connected up briefly to test them.

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=297-4
53

The HiVi D10.8 represents a design in which the voice coil is positioned over an undercut central pole piece with a large thermally stabilized neodymium magnet at the bottom and a high energy ceramic magnet on the top. A specially shaped, CNC machined steel cup completes the magnetic structure from the outside, creating a shielded magnet system with symmetrical flux density distribution along the gap. The long-throw voice coil experiences a symmetric driving force that substantially decreases inductance and back electromotive force modulations. The magnet structure is optimized using Finite Element Analysis technique, resulting in a radical improvement of driver linearity. The large voice coil diameter allows for a more uniform cone movement, delivering clear and accurate reproduction. The vented motor design and high temperature rated voice coil provide a dramatic increase in power handling. D10.8 is an excellent woofer for high power "no compromise" audiophile systems and control monitors.

Specifications: • Power handling: 150 watts RMS/300 watts continuous program • VCdia: 4" • Impedance: 8 ohms • Re: 6.5 ohms • Frequency response: 24-2,500 Hz • Fs: 24 Hz • SPL: 90 dB 2.83V/1m • Vas: 5.2 cu. ft. • Qms: 6.84 • Qes: 0.44 • Qts: 0.41 • Xmax: 8 mm • Dimensions: Outside diameter: 11-3/4", Cutout diameter: 10", Depth: 4-1/2".

These are Bass drivers, and would be great in a 3-way design.
They are designed to work best in a Sealed Box of approx 70 litres:
http://www.swanspeaker.com/product/htm/view.asp?id=58

These currently sell for $US235 each at Parts Express. My reserve is less than half that.

I can post at cost, but collection is preferred from central Auckland.

Shipping details

  • $24.00  Post anywhere in NZ
  • Seller allows pick-ups
  • Seller location: Auckland City, Auckland, NZ

Payment details

  • NZ bank deposit
  • Cash

About the seller

  • 100% positive feedback
  • Member since Jul 2008

Closes: Thu 10 May, 9:00 pm. 2012