Roar 36. A am wave at 16000 Hz, originating from Subway Tunnel. Recorded in a anechoic environment, era: 1940s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4985 — Roar 36
ID#4985
Rarity
X-HI:14%
Frequency
16000 Hz
EX:1%
Wave Type
AM
EX:5%
Resonance
Dense
X-HI:6%
Era
1940s
EX:4%
Origin
Subway Tunnel