Clang 42. A triangle wave at 440 Hz, originating from Subway Tunnel. Recorded in a cave environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4397 — Clang 42
ID#4397
Rarity
LO:69%
Frequency
440 Hz
X-HI:7%
Wave Type
Triangle
X-HI:8%
Resonance
Soft
X-HI:8%
Era
1920s
EX:4%
Origin
Subway Tunnel