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GR Research M-165x / Vifa XT25 2-way sealed bookshelf
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GR Research M-165x / Vifa XT25 2-way sealed bookshelf
M-165x/XT 25 Speaker Response and Reverse Null measurement - Measured response with tweeter wired out of phase (normal operation), and in-phase showing deep suckout and crossover frequency. This shows good phase tracking through the crossover region.
M-165x/XT 25 testing showing response of different designs - Lets see if I can remember what all these curves are : Yellow = tweeter response obviously Orange = woofer response with notch filter Light Purple = woofer response with no notch or zobel Pink = woofer response with zobel Dark Yellow = combined response with no notch or zobel on woofer Purple = combined response with notch Green = combined response with zobel
M-165x/XT 25 2-way Final Impedance/Phase - The final impedance/phase measurement of the finished design taken with a Woofer Tester 2. This shows good phase tracking, and an easy load. I'd call this a 6ohm speaker.
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