What is 30Hz

[militaryboy91 10+ year member]

30 hz is the number of times in 1 second that the speaker will move to make aspecific sound. The lowest tone audible to a human is 18hz.

 

[CBFryman2 5,000+ posts]

Wow, a lot of misinformation here.

How low a person can hear, as in actually hear, is limited to the individual. 20Hz is a generalization but in most cases its more of a tactile sence than it is a sound.

How low a person can sence is directly related to how much power and displacement you have.

Sound is not an EMF so therefore it has nothing to do with a 30kHz radio wave //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Sound is a mechanical waves (compression) of peaks and troughs in air pressure. the ocilating air pressure vibrates a thing disk of skin called the ear drum connected to a few bones that are connected to a few nerves and that is how you hear.

30Hz is reletively low tuning for car system (ported), its a good all around tuning for car as long as the given enclosure provides good transient responce at with that tuning.

Tuning of a 4th order Bass Reflux enclosure (aka ported) is dependant on Port cross sectional area and length in relation to net enclosure volume (in other words the volume of the enclsoure not including the volume of the port). The longer the port of a given cross section and net volume the lower the tuning. You can use this big long anoying formula or yo ucan use a program like WinISD or the many port calculators on the itnternet to find how long to make your port to tune to a desired frequincy.

 

[AndonD454 10+ year member]

The clitoris does have a resonant frequency. All girls are different tho...and the note needs to be produced with A LOT of authority for anything to happen.
NG

yeah ive tried with a comp vr 15 and th etype r 12s that i i have right now, neither really had a big effect.. girls noticed somethin but it seems like youd need a lot of bass liek NG said..

but i love music with tones in the 30 hz range.. its nice hearing (more liek feeling) bass in a lower range cause most songs keep to the same old **** 45-70 hz range (with rap anyways)

35 hz and down makes my seat jar up and down, under 30 and its pretty much like the steering wheel and dashboard. bass=fun

 

[Mr. Opportunist 10+ year member]

yeah ive tried with a comp vr 15 and th etype r 12s that i i have right now, neither really had a big effect.. girls noticed somethin but it seems like youd need a lot of bass liek NG said..
but i love music with tones in the 30 hz range.. its nice hearing (more liek feeling) bass in a lower range cause most songs keep to the same old **** 45-70 hz range (with rap anyways)

35 hz and down makes my seat jar up and down, under 30 and its pretty much like the steering wheel and dashboard. bass=fun

so your saying if i were to be pulling over a 50 at 30hz i may be able to make something happen? //content.invisioncic.com/y282845/emoticons/naughty.gif.94359f346c0f1259df8038d60b41863e.gif