Phil Lewandowski wrote on Sun, 13 June 2010 15:05 |
Franz Francis wrote on Sun, 13 June 2010 09:03 |
Finally, as soon as you are financially capable:}:} get yourself another TH-118 they work better in pairs or more with the mouths coupled together
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Hey,
Just wanted to note that with the tapped horn that you don't see the slight extra LF extension that you would see with a normal horn sub when the mouth is made larger by coupling. So coupling 2 TH-118's wouldn't have any effect beyond the normal ~6dB in output you see with any speaker where you get have complete summation.
That is one cool thing about the tapped horn is it is designed to get the lowest LF corner out of the smallest box, so it is already optimized for that.
But I would still say getting another TH-118 is a great idea, since headroom is great.
Take Care, Phil
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You are correct about the additional cabinet changing the loading and extension of the tapped horn-specifically the TH118 (and others like it).
However you DO get additional gains with more cabinets stacked up. This comes from the additional boundary area (created by the front of the cabinet that is not part of the actual exit) that acts as the old "barn doors" of days past.
This is because with the boundaries the energy is more "focused/directed" forward.
Now the effect of this will vary with the physical size of the stack.
That is the whole idea behind the TH812-and if you use a pair of the TH812 (each turned 90