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Xtreme Low Frequencies - Headphone recommendations

post #1 of 17
12/4/07 at 7:21pm
Thread Starter 
I am intent on doing some testing into the use of extreme low frequencies, such as alpha and beta waves, and am interested in getting a good set of headphones for meditation purposes.

I'm very new to the headphones thing and need some recommendations for the best set-up under $400.
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post #2 of 17
12/4/07 at 7:27pm
Equation RP-22x? iirc they have a blurb from a customer who services pipe organs who claims they are the only headphones they've heard that reproduce 10hz without distorting.
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post #3 of 17
12/4/07 at 7:28pm
headphones are not ideal for reproducing very low frequancies.. that out of the way my HD-650's still produced sound at 18Hz when I tested them with a frequancy generator was greatly attenuatuated though. The drop off in volume is very steep bellow 35Hz and starts at about 85Hz although there is still very usable bass at 60Hz.
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post #4 of 17
12/4/07 at 7:30pm
It get great low frequency response from my UE9s. I clearly hear 25hz at normal volumes, now 20hz for me is a bit harder to hear. You may also find that the Proline 2500 or 750 do almost as well.
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post #5 of 17
12/4/07 at 7:30pm
You need a Surrounder. Think of a subwoofer worn on the shoulders.
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post #6 of 17
12/4/07 at 7:33pm
Remember the OP is talking about alpha and beta waves - which means he's asking about stuff as low as 8hz.
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post #7 of 17
12/4/07 at 7:38pm
8hz you cant hear. You can only feel as a tactile sensation, an actual perception of a change in the consistency of the air. You need something which huge air motion properties for that. I dont think any standard headphone will do it. Certainly not within a $400 budget.

I'll test tone mine just now and see.
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post #8 of 17
12/4/07 at 7:39pm
Alpha and Beta waves, he needs something that I have seen somewhere that uses a fan and run by a motor controlled off a connection to an amp as a subwoofer. Anyone seen this before?
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post #9 of 17
12/4/07 at 7:46pm
Past 15Hz and your getting into hearing individual pulses even with the surrounder, and I didnt want to keep it up because that sort of slow excursion might not be good for them.
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post #10 of 17
12/4/07 at 7:49pm
every headphone i've tried has had a rolloff around the 30-35 hz mark and it's very difficult to hear at even 20hz.

from what i've read, proline 750 are your best bet (even that's pushing it, 8-12 hz won't happen most likely)
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post #11 of 17
12/4/07 at 7:51pm
You aint getting a servodrive woofer for $400.

Hell, just hook up a solenoid to a rubber mallet that knocks the leg of the bed.
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post #12 of 17
12/4/07 at 7:58pm
Wheres the best place for cryo treated rubber mallets? I dont want any boominess.
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post #13 of 17
12/4/07 at 8:09pm
Thread Starter 
Lol. Thanks for the feedback, I already have a pretty well built system for my home, but i was interested in seeing if there was a pair of cans available that could effectively hit at least low 10hz waves, ive seen lots of headphones saying they reach 5hz but I seemed doubtful.
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post #14 of 17
12/4/07 at 8:11pm
Yeah, they almost never qualify their frequency response with a decibel number. it could be -3db or -20db.
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post #15 of 17
12/5/07 at 6:44am
I assume you've already tried binaural waves? Even if your headphones reproduce 8hz, that audio signal will not actually end up in your aural nerve, and won't have much if any of an effect in terms of entrainment. You can use a binaural wave with a low center frequency (~40hz) instead to get an effective theta/alpha wave going, I've had a lot of success with that.
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