Cove 52. A triangle wave at 80 Hz, originating from Subway Tunnel. Recorded in a chamber environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0942 — Cove 52
ID#942
Rarity
LO:51%
Frequency
80 Hz
X-HI:6%
Wave Type
Triangle
X-HI:8%
Resonance
Harsh
X-HI:8%
Era
1990s
X-HI:9%
Origin
Subway Tunnel