ava on Nostr: Nice. I always used a dial tone. The U.S. dial tone is composed of two frequencies - ...
Nice. I always used a dial tone. The U.S. dial tone is composed of two frequencies - 440 Hz and 350 Hz. The 440 Hz frequency matches the pitch of the open 5th (A) string for standard tuning on a guitar 🤙🔥
Published at
2024-07-01 02:30:22Event JSON
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