H - Electricity – 04 – R
Patent
H - Electricity
04
R
179/35
H04R 3/00 (2006.01) H04R 3/06 (2006.01) H04R 19/02 (2006.01)
Patent
CA 1169359
ABSTRACT An audio step-up circuit for driving an electrostatic loudspeaker of full-range-element configuration from a low vol- tage, low impedance, audio signal source utilizes two specially designed audio transformers in parallel-bilateral interconnection including R-C networks, one transformer being designed for opti- mum spectral response in the region of 30 Hz to about 5 kHz, and the other transformer being designed with cooperative added input impedance means for optimum spectral response in the region from a few hundred Hz to 20 kHz in such manner as to achieve an equal- ized-pass characteristic complementary to the loudspeaker there- through in the audio range, while at the same time affording resonant conservation of energy at high frequencies.
383121
Fetherstonhaugh & Co.
Strickland James C.
LandOfFree
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