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what are the thoughts of stand alone super tweeter

i want to buy a pair of totally stand alone super tweeters, with all necessary parts built into the super tweeter, just place it on top of my speakers and run speaker cables to piggyback my present speakers connections or even come off my power amp.please tell me pros and cons. price seems to be from $500-$3000 except for the radio shack built years ago.which sell for about $80.00 used........... audiogon has the high end ones all the time, is it worth my money... regards forevermusic414
forevermusic414
mlsstl
1,457 posts
 
...without frequencies above 15k Hz.

That is not what I said.

I said without frequencies above 20KHz from a CD (actually 22,050 Hz from the Nyquist theorem but there is only 1/10th an octave difference between 20K & 22K.)

Arbitrarily decreasing a number I used by 5,000 isn't a very on-point response. You in politics? ;-)

However, even with non-CD material, one has to wonder where the super-high frequency info comes from. The majority of microphones used for professional recording don't have response past 20 KHz and many only get to the 15KHz or 17KHz range.

Anyway, having been exposed to these devices over the years I remain a skeptic that any significant portion of the effect these devices have is due to energy above 20KHz.

Obviously, others disagree.
tbg
5,263 posts
 
Yes......
markphd
667 posts
 
Let me throw this out for speculation/discussion.

Many reviewers and others report super tweeters to be an improvement. I have never heard speakers with them so I have no informed opinion.

They operate at frequencies we can't hear. So there shouldn't be any problem with integration with the main speaker since we can't hear them anyway.

My speculation is that they operate simply by having their frequencies interact with the frequencies that we do hear. In other words, the compression and rarefaction of air from the sound waves of the main speaker is added to or subtracted when it meets the wave of the super tweeter. So we're just altering the frequencies of the main speaker.

In other words, it's just another type of a tone control. Right? If not, then what does it do?

I'm not trolling here. I'm just trying to figure out how these things work.
johnk's avatar
johnk
1,976 posts
 
Best to have one custom matched to your loudspeaker.
sns
3,644 posts
 
I tried the Onix supertweeters with 2 models of Alons. Misstl points out the possibility of coherence issues. I suspect the whitish coloration I heard in the highs was a coherence issue, super tweeters may alter the tonality of your loudspeakers.

YMMV may vary with different super tweeters and/or loudspeakers.
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