Warble 16. A square wave at 80 Hz, originating from Subway Tunnel. Recorded in a anechoic environment, era: 1920s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4965 — Warble 16
Owner
0x05eACcE0dd456b94dAa3d96178b7482390fDD4eB
ID#4965
Rarity
LO:66%
Frequency
80 Hz
X-HI:6%
Wave Type
Square
X-HI:10%
Resonance
Harsh
X-HI:8%
Era
1920s
EX:4%
Origin
Subway Tunnel