Mark Rehorst's Tech Topics

My technical projects that include topics such as 3D printing and printer design, photography, optics, electronics, etc.

Friday, May 2, 2025

Stands for Quad ESL-63 Speakers

If you're of a certain age, you'll immediately recognize this image: It's from an ad for Maxell cassette tapes that came out in ...

Sunday, April 27, 2025

Quad ESL-63 Resurrection Summary

I recently prepared a very long post on my efforts to restore a pair of Quad ESL-63 electrostatic loudspeakers made in 1983. That post was ...

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