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Discussion Starter #1
Does anyone have experience with this tweeter?
 

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No DIY experience of any sort yet for me, but I did read something about that tweeter and others here

That 27TBFCG sounded like a good one with smooth response and low distortion.
 

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Thanks, that's where I read about it. :) I looked it up on madisound, and it's only $30 ea. I might give it a go for my gf's car.
 

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It's a fantastic tweeter you won't be dissapointed. However, the top end is somewhat lacking and the lower end response is a bit weird.
 

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theres another version, that sounds just as good, and does not have the lack of top end response. same price also. both tested at zaphaudio.com in the tweeter mishmash.
 

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npdang said:
It's a fantastic tweeter you won't be dissapointed. However, the top end is somewhat lacking and the lower end response is a bit weird.
Just from that Zaph response graph, it looks like it does dip by about 10 db at 20khz, and starts the slide around 15khz. Wonder if eq'ing at 16.5khz could help that quite a bit?

The low end looks pretty straight on their test, what do you think's weird npdang? BTW, could this tweet be crossed ovre at say 1.5-2khz?
 

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DearS said:
theres another version, that sounds just as good, and does not have the lack of top end response. same price also. both tested at zaphaudio.com in the tweeter mishmash.
The 27TDFC? That does look better on the top end response, but isn't the distortion test worse? I just started trying to look at and understand distortion tests. And what exactly would a distortion test tell you? Which one sounds cleaner, right? I feel like such a newbie :lol:

Then there's that CSD test.....say huh? :confused:
 

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well distortion is noise that was not in the music. more distortion is more noise. although theirs also energy storage, that doesnt let a speaker react fast enought to make the sound right. and frequency response. I dont really understand the test well. I'm learning also. and yea the other one does have more distortion. how much it presents it self is something I'm learning. like the purple distortion on the graph, past 5khz, is not audible to the human ear. the grey one, past 4khz. the blue past 7khz and the green past 10khz. thats why the graph he stopped the graph 10khz.

a good read is also his cone material and properties comments. he says metal speakers reproduce sounds without losing detail. sorta like I hear Jlo on my cheap speakers and she sounds ok, when I switch to better speakers she sounds like she cant sing, and she's faking her emotions.
 

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DearS said:
like the purple distortion on the graph, past 5khz, is not audible to the human ear. the grey one, past 4khz. the blue past 7khz and the green past 10khz. thats why the graph he stopped the graph 10khz.

a good read is also his cone material and properties comments. he says metal speakers reproduce sounds without losing detail. sorta like I hear Jlo on my cheap speakers and she sounds ok, when I switch to better speakers she sounds like she cant sing, and she's faking her emotions.
Oh yeah, forgot about that 1st point.

The guy at Zaph also said that other Seas tweet was a little brighter....but I wasn't sure if that was because of the material used, the high end response, or maybe even the distortion....or a combintion of those things.
 

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On-axis it's not too bad, but off-axis suffers quite a bit. It will sound rolled off to anyone used to say ribbons, hiquphons, etc. The sample I measured wasn't on a baffle, but the low end response had a strange drop at around 2.5khz, and then your typical 12db rolloff down around 1.5khz or so IIRC.

Zaphaudio is a great site without doubt, and one I visit often. But some of the articles I did not agree with, such as the low xmax woofer. Also, it is useful to remember that a swept sine distortion test does not reveal intermodulation distortion.

One reason I do not use Soundeasy for distortion measurement is I can't understand why the F1 (fundamental frequency) of the driver does not follow it's frequency response? If the goal is to measure each frequency at the same spl ... then why the dips and bumps in the response?
 

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DearS said:
well distortion is noise that was not in the music. more distortion is more noise. although theirs also energy storage, that doesnt let a speaker react fast enought to make the sound right. and frequency response. I dont really understand the test well. I'm learning also. and yea the other one does have more distortion. how much it presents it self is something I'm learning. like the purple distortion on the graph, past 5khz, is not audible to the human ear. the grey one, past 4khz. the blue past 7khz and the green past 10khz. thats why the graph he stopped the graph 10khz.

a good read is also his cone material and properties comments. he says metal speakers reproduce sounds without losing detail. sorta like I hear Jlo on my cheap speakers and she sounds ok, when I switch to better speakers she sounds like she cant sing, and she's faking her emotions.
A simple explanation of distortion and energy storage in the articles forum :)
 
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