Fullrange speaker Vifa TC5FC07-04, 4 ohm, 1.5 inchHaut-parleur fullrange de petite taille, impédance 4 ohm, large système magnétique néodymium, membrane papier, suspension caoutchouc souple, utilisable dès 180 Hz.
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Purchased 10 pcs. Peerless TC5FC07-04 for a Multiple Entry Horn project.
Percieved quality is very nice, indeed.
Measured all 10 pcs. with Dayton DATS system, and did some statistics as follows below.
Standard Deviation of 10 pcs. in % of the T/S param's is stated in paranthesis with each T/S param., which also is the measured Average of 10 pcs.:
Re :4,101Ohm (1,14%), Fs: 207Hz (2,27%), Qt: 0,678 (3,72%), Qe: 0,816 (4,32%), Qm: 3,99 (2,73%), Le: 0,10mH (1,86%), Mms: 0,615g (4,97%), Vas: 0,076 (6,61%).
As you see, the variance is small, but there is some difference wrt. the datasheet.
I think this is normal.
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