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In the Forum: Horn-Loaded Speakers
In the Thread: Eventually - a reasonable midbass horn from GOTO
Post Subject: I can hear the hole too.. hence why I questioned the type of horn I am using..Posted by tuyen on: 6/24/2011
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Hi Keith,
Interesting experience you have as I have found running my 505TT with the 160hz le'clech horns between 320hz-1200hz (with first order slope) works best for my setup and using my 15" goto sg-38wn woofer to play under 320hz (which sounds very fantastic to my ears might I add! The goto woofer which replaced the altec 416 in onken cabinet has made the biggest improvement to the coherency and 'sound-as-a-whole' for my system).
When i change the cutoff of the 505tt to 200hz and 250hz, I experience that same 'hole' you mention about. Hence why I was questioning if it is the 160hz le'clech horn causing this and if using the goto s150 horn with it's different horn profile would change it (eg. playing down to 200hz with a first order slope as recommended??). I guess from your experiences, it doesn't..
Please note, I don't have any measuring tools though so I'm really just going by my ear which is quite pointless in terms of setting it up properly. Will eventually get around to it. 
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