does the frequency response numbers from the head unit affect the frequency response from the speakers?

most decks i know have a response of up to 20 000 hz.....and if the speaker can handle up to 25 000 hz...does that mean the extra 4000 hz will never be heard?

 

well given that VERY few males over the age of 14 can even hear up t 20,000hz It really won't affect anything.

20hz-20,000hz it's the exteme limits of human hearing. Most males over 18 are usually a bi closer to 28-18700hz

 

not necessarily...the freq response is the "usable response" within certain tolerances ie. 20-20khz (+/-3dB). Many decks, amps, and speakers have response that may extend past these limits, but it's usually erratic (high peaks and dips greater than 3dBs). So while we may not hear it because of our human hearing limits, rest assured that many animals can.

 

so the speakers will produce those extra 4000 hz?

 

POSSIBLY?? BUT IT'LL BE AT SUCH A LOW LEVEL THAT EVEN THE DOG PROBABLY WON'T HEAR IT. IT'S IRRELEVANT ANYWAY, LIKE sikk nation SAID, WE HUMANS CAN'T HEAR THAT HIGH...LAST TIME I HAD A HEARING TEST, MINE WAS TOPPED OUT AT 17,400 HZ. ONLY KIDS UNDER 8 YEARS OLD OR SO, CAN HEAR CLOSE TO 20KHZ (20000 HZ).

 

yah eh...so its pointless looking at speakers with frequency hz of such high numbers then...especialy when its priced higher than those speakers without such high frequency response

 

Check this out. You'll get the idea of why it doesn't really matter. I can hear the 20Khz tone from this site. Not sure how true it is to being 20000Hz, but I hear the sound.

http://users.swing.be/hdepra/home/P22/E-sounds.html <<< Link to hertz test tones. If I turn the volume up too high when playing the 16000Hz tone, I think my ears start to bleed. 16000Hz is probably present during a cymbal crash, or high hat, I'd think. So you want your system to be able to reproduce it, but you don't want it that loud, at least I wouldn't.

I think the 30Hz tone is too deep for my Logitech sub to properly reproduce. It makes some noise, but it doesn't sound that deep.

The 50Hz sounds really nice. I like it. This is a frequency that some people use for SPL comps, and tuning their subwoofers for more output at that level.

 

at 16000Hz your logitechs are just sending really distorted poop. You might be hearing cone flex at a lower harmonic than the actual tone.

Anything speakers with good flat response to 20Khz is all that is necessary

 

speakers and head units and amps rated higher than 20khz is fluff... so long as all parts (amps speakers, HU's) are rated +/-3db from 20Hz-20Khz all is good... SPeakers are the exception as most will only be rated from 50-100 to 20Khz