On Wednesday June 3rd twenty-four AES members and visitors gathered at the SAE Institute Lecture Theatre in South Melbourne to hear renowned designer Ed Cherry present a talk on
“Feedback and Distortion in Audio Amplifiers”
Ed started his presentation by outlining the early years at Bell Labs, where Ed later worked, where the impetus to reducing distortion (particularly of the intermod variety) was to improve the audio-channel carrying capacity of their existing copper wire network (which comprised 50% of their capital assets) by multiplexing signals without the limitations of interference from intermodulation products.
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