Mini/micro Line Array Project |
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the_lorn_teat_flag
New Member Joined: 30 November 2018 Status: Offline Points: 2 |
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Posted: 02 March 2019 at 6:53pm |
Hi all,
I'm starting a new project a little bit crazy (need to keep busy ^^). There would be 2 speakers + 1 compression driver. For the design, I was thinking about something like that: Dimensions are 50x35x20cm approximately. With the compression driver mounted on a waveguide like this one: The two mid/bass will be located within the horn walls. Regarding the opening angle of the horn, I haven't decided anything yet but I was thinking something around 90 degrees. To be confirmed with a simulation. For the low/mid section, I've selected 3 drivers that could suit: FaitalPRO 4FE32-4, 5FE100-4 and 6FE200-4. I've done the first simulations with Hornresp (7L for the 4" and 5", 10L for the 6"). The front face of each speaker will radiate in a kind of horn, more a duct in fact (circle equal to Sd, 3cm deep). This explains the (wanted) ascending slope and the resonance at 1kHz. I'll choose the driver size according to mechanical constraints (not sure if the 6 inch driver would fit ^^). And I might completely change the dimensions because the volume is too big (15.4L but the drivers need only 8-10L).In light of the above come some questions :
And to finish, regarding the crossover, it will be passive between the mid and high. Certainly 3rd order high pass for the compression and 2nd order low pass for the mid/bass. And the filtering between boxes will be active.
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