Author Topic: 200 Hz square wave into an ESL analyzed by a HP3561A  (Read 344 times)

Offline Physikfan

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200 Hz square wave into an ESL analyzed by a HP3561A
« on: January 24, 2019, 07:09:46 PM »
Using a condenser microphone and the FFT HP3561A analyzer, a 200 Hz square wave signal was fed into an ESL (Martin Logan Sequel II electrostatic loudspeaker):



This is the electrostatic speaker:


FT signal of the 200 Hz square wave of the function generator:


FT signal of the condenser measuring microphone:


Offline kamelryttarn

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Re: 200 Hz square wave into an ESL analyzed by a HP3561A
« Reply #1 on: January 25, 2019, 10:41:38 AM »
Interesting but what is the crossover freq and filter slope? 200Hz may be reproduced by the woofer. Would be very interesting to see how the electrostatic part of the speaker system performs. Also the measured result is the combination of the speaker AND the power amplifier. What amp did you use to drive the speaker?

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Re: 200 Hz square wave into an ESL analyzed by a HP3561A
« Reply #1 on: January 25, 2019, 10:41:38 AM »

 


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