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Topic:
Line level amplifier
This thread has 30 replies. Displaying posts 31 through 31.
Post 31 made on Tuesday June 11, 2019 at 22:54
FP Crazy
Super Member
Joined:
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June 2003
2,836
On June 11, 2019 at 07:18, Ernie Gilman said...
Erik,
what do you mean by loops?

A few decades ago I worked for Califone, which makes (or made) language labs, and I ran across a loop product which was a loop of wire that went around the perimeter of a room and acted like the primary of a transformer. Presumably there were several "turns" to this primary.

The headphones of this system acted as the secondaries, having just a coil that would pick up the varying magnetic field of the primary.

This was a real product! I have zero idea how they kept it from picking up 60Hz hum... is this what you're talking about?

You could have stopped at "what do you mean by loops?"
Chasing Ernie's post count, one useless post at a time.
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