In Reply to: differences between altec mantaray 594 and 594a posted by sergio p on October 20, 2013 at 10:51:57:
Either, the difference is the material the horn is made from.
Later ones are injection molded from Noryl (a blend of polyphenylene oxide (PPO) and polystyrene (PS) ), earlier ones are fiberglass.
Later ones will also have the EV four-bolt pattern in addition to the three-bolt Altec pattern.
The 288C will require 6dB/oct boost above about 4Khz, and will drop like a rock above about 12.8Khz or so. I have used the 288C on the MR564II for PA and it sounded quite good.
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Follow Ups
- RE: differences between altec mantaray 594 and 594a - djk 10/20/1323:15:27 10/20/13 (2)
- RE: differences between altec mantaray 594 and 594a - sergio p 04:37:16 10/21/13 (1)
- RE: differences between altec mantaray 594 and 594a - djk 19:05:16 10/22/13 (0)