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DEVELOPMENT OF THE SYSTEM
RESULTS AND CONCLUSIONS
A Effect of Spacing Between Diaphragms on
1 other sections not shown
acoustic coupling acoustic impedance acoustic load amplifier assumed back side bridge velocity pickup capacitance capacitors circuit of Fig commercial loudspeaker component cone motion cone of loudspeaker cone velocity current source cycles per second double voice coil driving point impedance eddy currents effect electric circuit electrical impedance electrostatic pickup Electrostatic Velocity Pickup elements eliminated enclosure feedback circuit flux linkage frequency limit frequency response functions of frequency gain locus harmonic distortion impedance locus inches increased input loudspeaker cone low frequency range magnetic circuit magnetic pickup magnitude mechanical mutual induction voltage obtained open loop gain operation output impedance output voltage parameters pistons radiating diaphragm reactance reduced represented resistance resonant frequency result shown in Fig shows Simplified equivalent circuit sound level meter source impedance speaker standing wave transducer transformed velocity pickup schemes Velocity Pickup System voice coil inductance voice coil loudspeaker voice coil velocity wavelength zero