Altec Mantaray PA System

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   Just found this on YooToob - Pink Floyd used these horns in one of their early PA systems (chaged drivers to Gauss, though IIRC). The rigging was the problem - it would take forever to load/unload rig/de-rig such a system - but apprently the sound was superb (well, for the era).

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jazomir Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 20 November 2006 Location: Sunderland UK Status: Offline Points: 1710	Post Options Post Reply Quote jazomir Report Post Thanks(0) Quote Reply Topic: Altec Mantaray PA System Posted: 21 June 2013 at 4:44pm
	Just found this on YooToob - Pink Floyd used these horns in one of their early PA systems (chaged drivers to Gauss, though IIRC). The rigging was the problem - it would take forever to load/unload rig/de-rig such a system - but apprently the sound was superb (well, for the era).
	For sidefills, can we have two enormous things of a type that might be venerated as Gods by the inhabitants of Easter Island, capable of reaching volumes that would make Beelzebub soil his pants.

jbl_man Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 12 January 2005 Location: London. Status: Offline Points: 11155	Post Options Post Reply Quote jbl_man Report Post Thanks(0) Quote Reply Posted: 21 June 2013 at 4:56pm
	Interesting....i bet those big horns play down quite low..500hz? Bass cabinets seem to just be Altec 817's ,simple 2x15's. I know the limitations of the camera microphone,but does seem to lack some VHF though?
	Be seeing you.

colint Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 06 October 2007 Location: United Kingdom Status: Offline Points: 5227	Post Options Post Reply Quote colint Report Post Thanks(0) Quote Reply Posted: 02 July 2013 at 6:52pm
	Probably the best horn ever made the Mantaray such a shame the bods at Altec didn't seem bothered to develop it and push it further.
	Never criticise another man until you've walked a mile in his shoes. Once you have, call him what you like, you're a mile away and you've got his shoes!

_djk_ Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002	Post Options Post Reply Quote _djk_ Report Post Thanks(0) Quote Reply Posted: 02 July 2013 at 8:53pm
	A permanent install system designed for voice only. They typically used 292 phenolic drivers, 7Khz tops. The local 15K seat basketball arena has a similar system. For directivity purposes those horns were crossed at 800hz, although with the phenolic they will go to 300hz.
	djk