Creak 44. A noise wave at 440 Hz, originating from Subway Tunnel. Recorded in a corridor environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3508 — Creak 44
ID#3508
Rarity
MID:28%
Frequency
440 Hz
X-HI:7%
Wave Type
Noise
X-HI:6%
Resonance
Absolute
EX:2%
Era
1990s
X-HI:9%
Origin
Subway Tunnel