I have two THTLPs that I run with my stereo. Despite their huge size, they don't have a really forceful presence: they just fill in the music so that it sounds "right". Because of the volume I listen at (seldom above 80 dB), there isn't any chest slam or window rattling. In fact, the affect that the THTLPs have is most noticeable if I turn them off --- it's like someone took the life out of the music.
Notwithstanding that, I'd like to be able to demonstrate to friends (and naysayers) what they're capable of.
What do you do to demonstrate your BFM subwoofers?
Re: How do you demo your THT or THTLP?
Posted: Fri Aug 12, 2022 1:32 am
by Grant Bunter
Well, first up, remove all the objects in the room likely to fall off whatever they are sitting on. You don't want them broken, or rattling.
Do what you do normally, just play music, at your normal volume. Sure, go ahead, turn the subs off to show what not having subs on does.
Take the opportunity to describe the sub bass they produce in the terms most often associated with horn subs in general, Bill's designs in particular.
Terms like smooth, effortless, clean. Explain how horns naturally filter harmonics, so low harmonic distortion (unlike direct radiators).
Got a mate that uses those cabs? Swears by them even. Tell them to bring em along, do a direct A to B comparison.
Then grab the volume button, turn that sucker up until you get the tactile chest thumping window rattling result.
Do that with a multimeter connected to the cabs, do some maths, tell em what they just heard was produced by x amount of watts, rather than the x00 watts old mate used to do that with their direct radiators.
Anyone there will get the idea pretty quickly...
Re: How do you demo your THT or THTLP?
Posted: Fri Aug 12, 2022 6:50 am
by Bill Fitzmaurice
Music won't show off what the THT will do, as music doesn't go low enough and doesn't have true LFE content. Movies are required for that. Google 'movies with best low frequency effects'. Tell your friends to wear brown pants.
Re: How do you demo your THT or THTLP?
Posted: Fri Aug 12, 2022 12:19 pm
by Bryan Cox
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Re: How do you demo your THT or THTLP?
Posted: Sun Aug 14, 2022 2:24 pm
by Seth
Other than the rebassed music we chatted about earlier, one of the old school audio demo disks I used to use is Don Dorsey's Bachbusters. If you enjoy classical, you'll like it. There's a few tracks on the album that will give your THTLP's a little bit of a workout. Nothing way way low though.
Here's one of them, Toccata & Fugue In D Minor.
Re: How do you demo your THT or THTLP?
Posted: Wed Aug 24, 2022 1:18 pm
by asarose247
Flight of the Cosmic Hippo
Phantom of the Opera
Folding Time- nuclear ramjet
