Interesting Fleabay

2 Altec A 800 Speaker System With 803A 802B AND 808 Horn BIG N800D 12 Ohms | eBay

http://www.hostboard.com/forums/hbmc...2013/08/27.jpg

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http://www.hostboard.com/forums/hbmc...2013/08/29.jpg

http://www.hostboard.com/forums/hbmc...2013/08/30.jpg

He also has these listed: 2 Altec Western Electric FOR 594A 713 A B C AND 720A OR 730 Drivers | eBay

I am not familiar with these horns.

They are the 31A horns with the 27A attachments.Originally designed by WE if I'm not mistaken.