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Old 1st March 2005, 11:00 PM   #1
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Default Sub Box Tuning

My brother recently bought a box from somewhere... I'm not sure. But anyway, he had it tuned for 35Hz. The speaker he''ll use is a Tumult from Adire. I was wondering if 35Hz is too high for a home theater sub. I thought it was, but apparently he thinks 35 is right. I always hear people tuning boxes for 20Hz. Is his box ok ? (ps, he doesn't have the sub yet, so I can't tell you if it sounds good or not)
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Old 2nd March 2005, 01:46 AM   #2
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35 hz is WAY too high, hell have a HUGE peak in his 30-40 hz bass, but most of the "fun" bass in movies (IMO) is in the <30 range, meaning hes overemphasizing the notes that werent meant to be an emphasized, and not giving any attention to the most gut wrenching couch moving notes.

with a tumult, you have the ability to used a relatively small sealed box(130 litres) and still have alot of infrasonic output.

Im not usually one for sealed boxes, but if i were you id do a medium sized sealed box, with a nice big amp, and a linkwitz transform if need be.
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Old 2nd March 2005, 02:26 AM   #3
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Keep in mind that there is strong content under 15Hz for some movies.
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Old 2nd March 2005, 02:32 AM   #4
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What kind of movies are those? Ones featuring whale mating songs perhaps?
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Old 2nd March 2005, 03:05 AM   #5
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finding nemo, blackhawk down, master and commander, LOTR (all 3), starwars episode 1, and thats just some of the infrasonic movies i can name off the top of my head.

Movies these days have insane amounts of infrasound

i also forgot all 3 matrix.
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Old 2nd March 2005, 06:19 AM   #6
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OK cool. I thought so, but he seems to think it'll be good. So I guess we'll have to wait and see. Thanks guys.
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Old 2nd March 2005, 06:30 AM   #7
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I'm using my tumult for HT 6cubic feet tuned to 10hz. It rolls off a slight bit below 30hz but it still has serious output even down to 10hz.

35hz tuning wont do well in any setup except maybe if you're looking for a high SPL score in a car stereo competetion.

I wouldnt tune any higher than 20hz. Between 10 and 18 hertz is probably the best range. With a smaller box tune slightly higher, with a bigger one, tune lower.
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