Electric Hum

02023-01-29 | Uncategorized | 0 comments

440 Hz is an A

220 Hz is the A an octave lower

110 Hz is an A another octave down

55 Hz is A again

Why did they make electricity ⚡️ cycle at 50 Hz in Europe and 60 Hz in the States? They *could* have gone with 55 Hz and then electric hum wouldn’t sound so out of tune.

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