High fidelity speakers.

Human hearing quits statistically at about 20,000 hz. A few can hear slightly higher up to about 23,000 hz.

You can buy piezo electric tweeters that will ply upward of 60,000. However, you would have to build an oscillatory circuit to drive them and an amp to play them. No musical program will contain these frequencies and I know of no audio amplifier with a bandwidth exceeding 30,000 hz.

What the hell do you want this for, anyways? Torturing cockroaches?
 
30kHz is the highest I can find. John can get them (even if he doesn't know it!)

BTW, getting high frequency DOES NOT mean high fidelity. The highest frequency decent brand tweeter I can find is an accordion ribbon tweeter. They go for about 500 or so each and that's as a COMPONENT - no crossover, no case, no nothing!
 
What would be the purpose of getting a speaker with frequency that high??? I dont think there would be any musical use.
 
Sony makes a SACD unit that goes up that high, or higher.

I find that SACD's sound much clearer than CD's. I have up to 80KHz headphones and they sound better than my 20KHz speakers. But just a little bit.

CD always sound fuzzy to me, SACD's are so much better. Too bad there is such a limited selection when it comes to SACD disc's available, but there are a few good CD's around.

I am still waiting for some money so I can upgrade to a SACD Sony XAV-W1 Headunit with NAV DVD etc... but I would like to get some speakers that can handle the signal. I suppose 25-30K speakers would be fine. I like detail sound more so than volume.
 
Be wary of advertised specs. I am familiar with home audio gear, not mobile stuff BUT if you spend maybe $60,000 you can get an amplifier that has a frequency response of 15Hz to 150kHz at -3dB. $35,000 will get you the preamp that specs at .2Hz -200kHz +0,-3dB but all is moot when you get a CD player at $33,000+ that will only spec at 10Hz - 20kHz +1,-1dB. Speakers in the $175,000 range have a frequency response of 10Hz - 35kHz +1,-1dB. All of the above components are not the most expensive by a long shot but are considered at the upper tier of high fidelity. You could not put this equipment in a 3/4 ton pickup bed let alone an automobile You will never get automotive speakers that offer true 100kHz performance nor is there, (and I am going out on a limb here) any automobile electronic package that will come close to playing above maybe 25kHz at anything that resembles flat. As others have already said, most humans cannot hear 20kHz, but there are a few that can distinguish frequencies slightly above that. Audition speakers and select what you like, regardless of published "specs" as these specs change significantly in different automobiles and can vary by placement within the same automobile.
 
Also, keep in mind that the older you get the less high up you can hear. If you spend a lot on something that does go up high, in a few years, you won't be able to hear the difference.
I'm old, so I know...
 
Funny thing is Sony stuff is cheap, compared to the Audiophile stuff anyway.

But SACD does sound better even down under 20K than CD's.
 
I've never heard one of those. The way I am, I better not go listen to one, or it'll cost me money. That's how I got my 03 Cobra vert and my MM. I went and drove them. Now the Cobra just sits in the garage, eating up insurance budget...
 
Mine goes to 11...

Eleven.jpg
 
Glassman makes the best point. I didn't realize this was for your car!!!!

There are so many reflections and absorptions in a car, spec mean next to nothing. This is a time when you trust advice and experience.

Go with the new Pioneer Premier components John likes and be happy!

For a slightly easier install go with the new basalt cone pioneers.
 
magindat said:
Glassman makes the best point. I didn't realize this was for your car!!!!

There are so many reflections and absorptions in a car, spec mean next to nothing. This is a time when you trust advice and experience.

Go with the new Pioneer Premier components John likes and be happy!

For a slightly easier install go with the new basalt cone pioneers.
Click to expand...

These babys have a lot of highs. Still need to use a high quality amp like the Premie 4 channel that is hand built. Or use the XTANT 4 channel, both of these amps retail for 1500.00.
 
magindat said:
Glassman makes the best point. I didn't realize this was for your car!!!!

There are so many reflections and absorptions in a car, spec mean next to nothing. This is a time when you trust advice and experience.

Go with the new Pioneer Premier components John likes and be happy!

For a slightly easier install go with the new basalt cone pioneers.
Click to expand...

I would agree...for a very long time, I did not want to give in to the whole placement and material of the tweeters you guys were reccommending.

I ended up getting a set of premier silk tweeter and 4 premier 6x8s (2way). I flush mounted the tweeters on the dash near the windshield, (check my pics). Even with no amplifier, these sound amazing.
 
Audio equipment is all in the ear.

Everyone has their preference and thats fine. I worked in sales at Circuit City and my brother at Tweeter. Trust me when I say this - more money is not always better.

Audio just like visual is a personal TASTE. Just because something 2000 dollars does not make it "better" per se. For example - I know Focal speakers are one of the best on the market. I understand they produce silk sound and pick up soft subtle notes. They are warmer and sound so realistic its amazing.

However - for a car, and more importantly for digital music I prefer a simple pair of polk momo's. On paper they are not even comparable - but in real life the sound is more - typical on the polks. I can blast them and sure they will distort a little, the sounds are more mashed together. The high's and the mid's blend more then with the focal. But you know what? They sound pretty darn good and I didnt drop a crap ton on speakers.

If your serious about audio then by all means go for it - but remember each brand claims to be the best. Never - ever buy a speaker without listening to them. Several times, different music types and for 15 minutes or more.

Trust me on this I have boughten a ton of speakers - and my brother is a certified audiophile. Buy whatever sounds good to you - and understand its taste not science. The human ear is connected to the brain and we all know those are different from person to person!
 
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