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In Reply to: RE: what's the right way to do a crossover for a LeSon TLC3 piezo ? posted by Paul Joppa on March 28, 2016 at 18:47:42
sure don't - my ancient pc with WT2 and TrueRTA died - no backup - it apparently uses an internal autoformer to get ~10dB more sensitivity than a regular piezo
Karlson Evangelist
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With an internal autoformer, it will be inductive at very low frequencies, and probably also at very high frequencies, but capacitive in the middle of its range. Without impedance data it's not possible to do a technical design, your back to "by guess and by golly" designing :^) Putting an 8-ohm L-pad between it and the crossover seems a likely starting point.
hi Paul - - here's the Z - that peak needs to be swamped but overall Z not lowered too much
Karlson Evangelist
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