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Patent issued [message #64125 is a reply to message #53148]

Tue, 28 September 2010 14:05

Wayne Parham
Messages: 18681
Registered: January 2001

Illuminati (33rd Degree)

The patent for the cooling system used in the 12π hornsub has issued. It can be used in other speakers too, but its first use was in the 12π basshorn subwoofer.

Patent 7,804,976

More information about the cooling plug approach:

Loudspeaker motor cooling methods

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[Message index]

		12pi push/pull benefits By: Dustin Buegler on Sat, 24 January 2009 13:58
		Re: 12pi push/pull benefits By: Wayne Parham on Sat, 24 January 2009 16:18
		Re: 12pi push/pull benefits By: Dustin Buegler on Wed, 28 January 2009 13:31
		Re: 12pi push/pull benefits By: BtHarris on Wed, 28 January 2009 14:50
		Re: 12pi push/pull benefits By: Wayne Parham on Wed, 28 January 2009 15:56
		Re: 12pi push/pull benefits By: BtHarris on Wed, 28 January 2009 16:25
		Re: 12pi push/pull benefits By: Wayne Parham on Wed, 28 January 2009 17:19
		Patent issued By: Wayne Parham on Tue, 28 September 2010 14:05

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