Rupp Arena - There are 58 Altec Model 805 Multicellular horns. Each horn as a 1.4 inch Altec Model 291-16 Compression Driver for high frequency reproduction. | Facebook
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which multicell Altec horn???
Listening test / DIY design] Altec A7 Clone
GoodSoundClub - Romy the Cat's Audio Site - How to paint Multicell horns?
Magnavox Multi-Cell 8-Cell Horn Used w/ Western Electric 555 Driver | eBay
GoodSoundClub - Romy the Cat's Audio Site - Why multi-cell?