Whoosh 61. A triangle wave at 741 Hz, originating from Subway Tunnel. Recorded in a cave environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0060 — Whoosh 61
ID#60
Rarity
LO:55%
Frequency
741 Hz
X-HI:5%
Wave Type
Triangle
X-HI:8%
Resonance
Dense
X-HI:6%
Era
2020s
X-HI:6%
Origin
Subway Tunnel