Secret Agent Maxwell Smart's "Cone of Silence"

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Please bear with me, there is a method to my madness!

When I was a kid, we all laughed at Secret Agent Maxwell Smart's "Cone of Silence." The fact that my mother's brother was a huge big shot in the CIA had nothing to do with it, I am sure.

View YouTube Video

What made me think of the "Cone of Silence" was the fact that Jerry Bruck's "Tetrahedral Ambiophonic" surround-sound mic array measured 1 meter on each edge. So, my guess is (I can't do spherical solid geometry) that Jerry's mic array would fit in a hemisphere with a radius of about 16 inches and a width of about 32 inches, which is the usual width of an interior door.

Hmmm... I thought. The "Cone of Silence"!

I then refreshed previous product research a bit, and I think I have come up with the least-expensive way possible to play back Jerry's Horenstein/LOS Mahler 3 tapes as he intended. Buy two of Parts Express's "Copperhead" self-powered 2.1-channel desktop sound system kits. That gives you four small full-range active loudspeakers and two powered subwoofers. Total cost under $600.

All you then need is a skeletal wooden framework to position the loudspeakers, and then some means of support or suspension. Which is to say, you do not need an acrylic hemisphere!!!

I hope somebody tries this one, or, improves upon my design, but while still keeping the price reasonable.

john

https://www.parts-express.com/Copperhead-with-Subwoofer-2.1- (Open in New Window)

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Topic - Secret Agent Maxwell Smart's "Cone of Silence" - John Marks 07:47:25 02/24/24 (8)

Tennessee Tuxedo and Inspector Gadget - Luminator 08:03:06 03/22/24 (1)

Wowsers, Penny! and Go Go Gadget Copter! Classic cartoon along - oldmkvi 07:19:34 03/28/24 (0)

RE: Secret Agent Maxwell Smart's "Cone of Silence" - Analog Scott 18:08:53 03/21/24 (5)

Well, my mother's brother was a big shot in the CIA - John Marks 04:53:02 03/22/24 (4)

RE: Well, my mother's brother was a big shot in the CIA - 13th Duke of Wymbourne 11:24:44 03/27/24 (3)

heard him tell that tale on "Wait, Wait" a few years back (nt) - mhardy6647 18:22:48 03/27/24 (0)

RE: Well, my mother's brother was a big shot in the CIA - Story 11:31:19 03/27/24 (1)

Jesus, Mary, and Joseph... - John Marks 15:40:55 03/27/24 (0)

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