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Motional feedback in speakers

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Old November 4th 19, 08:08 PM posted to rec.audio.high-end
Trevor Wilson[_3_]
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Default Motional feedback in speakers

In another forum I inhabit, someone posted details about a National
Panasonic amplifier and speakers that employs a Motional FeedBack system:


I was more than a little surprised, as I assumed that Philips invented
the system for their famous range of speakers, released in the 1970s.
Anyway, I did a little digging and found that the National system was
based on one invented by Luxman in the 1960s:


Impressive technology for a domestic product for the time.

Trevor Wilson

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