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RE: if one wants to experiment modifying a direct radiator cone's polars

When the BBC was still designing their own monitor speakers they used 12 inch woofers and 8 inch mids. To enlarge the horizontal response they slot loaded the drivers with vertical slots giving the drivers te horizontal dispersion of the slots. The early LS5/8 speakers, the 1st to use polypropylene drivers, used a slot loaded 12 inch woofer crossed over to a 1 1/4 inch Audax tweeter at about 1800 Hz although I believe they dropped the slot in later versions.


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  • RE: if one wants to experiment modifying a direct radiator cone's polars - hahax@verizon.net 08/24/1820:36:13 08/24/18 (0)

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