Martin Poulin
I own 3 Transducer Lab tweeters
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The N26CS-T. Alumina Ceramic Dome (T is for Titanium voice coil upgrade option). Shown here on left.
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Of the three Transducer Lab tweeters, this one is in first place, and is my favorite.
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Measurements are a bit off from the factory specs to my own results, but overall, the unit sounds just fantastic.
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Stock Frequency curve below.
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My 96 kHz sampling measurement:
Once again, the manufacturer fails to show the 28.8 kHz breakup in their graph, and also stops the measurement at a very convenient 20kHz.
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Slight mass roll-off starting at 8kHz can be seen, EQ can fix this easy.
Measured at 3" at 95 dB.
3 kHz to 20 kHz is optimal for this tweeter.
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Disregard the harder break-up peak at ~29 kHz, as this tweeter sings.
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Remember that all dome tweeters do have a breakup of some sort anyway, the fact that certain mfg do not show it to you doesn't mean it's not existing...
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Subjective sound is very dynamic with a realistic attack.
It would match well with some smaller efficient paper cones in a three-way design.
The ultimate resolution is decent. My Beryllium version is better in that regard but it has other drawback too.
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​Bottom line is :
I like this tweeter very much.