Thrum 21. A sawtooth wave at 16000 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0119 — Thrum 21
Owner
0xa2fb09cB58Fb0F0916C35BFBe0B3aC55E551fe4E
ID#119
Rarity
X-HI:12%
Frequency
16000 Hz
EX:1%
Wave Type
Sawtooth
X-HI:9%
Resonance
Crystalline
X-HI:5%
Era
1950s
X-HI:5%
Origin
Subway Tunnel