River Forest, Ill. — Carl G. Eilers, 83, who has been called the “father of stereo FM radio and stereo television sound,” died suddenly June 20 of an apparent heart attack. Eilers, a 50-year Zenith ...

Eilers, an electrical engineer who helped develop production of high-fidelity stereo sound over the airwaves, died Friday at his home in River Forest, Ill., apparently of a heart attack. He was 83. A ...

Technology history buffs as well as broadcast and consumer electronics engineers are remembering Carl G. Eilers, who died last month at age 83. Here is the text of Eilers’ biography in the Consumer ...

A casual understanding of how AM radio works is pretty easy to come by, and standard FM is only a little more complicated. Things can go off the tracks a bit with stereo FM, though — figuring out how ...

Classic German audio brand Revo has announced its first new product in quite some time. The company makes a range of traditional radio designs with the latest technology in terms of Internet radio and ...

Sena keeps putting the good stuff together and getting it out to the market. The second iteration of the downsized but very capable SMH5 intercom, now endowed with an integrated stereo FM tuner, is an ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...