Mark K's Speaker Pages
...when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind; it may be the beginning of knowledge, but you have scarcely in your thoughts advanced to the state of Science...Lord Kelvin
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Tweeter Group 1-Vifa DX25, XT25, D26, SS9500, and the Usher 9950
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Frequency response
Impedance
Off axis response
Waterfall
Linear distortion measurements
1.8k
2.5k
4k
6k
8.5k
11.5k
15k
Page 3- DX25 Nonlinear distortion measurements
UPDATED 10/3/04
The 1 kHz and 1.5kHz graphs are new. Note the scale is different. To compare the 1k and 1.5k graphs, it's probably best to open another copy of your browser and compare the Seas 27 series and Scan 9x00 series graphs to these two.
The DX25 at 1k
At 1.5k
2k
3k
5k
7k
11k
