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Dekatron Do-Hickie #2 - Sound Modulator

T
threeneurons

247 views • Jul 28, 2007

Description

Okaya/Rodan DK23 dekatron do-hickie in "sound modulator" mode. When quiet, it just displays the standard pendulum. When a sound is louder than the threshold, it switches to "bargraph mode", growing and shrinking with any ambient sound. The audio level is adjustable, by a small trimpot, just right of the button. Needs a small screwdriver to adjust.

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