▶ sound on
preset:
US wail
US yelp
US hi-lo
European two-tone
Japanese pī-pō
mechanical · 1819
rate
0.20 Hz
depth
± 400 Hz
centre
1000 Hz
the slow oscillator is a:
triangle — a slide
square — two notes
hold to crank
holes in the disc:
8
10
12
drive it past you
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