Shriek 23. A am wave at 142 Hz, originating from Subway Tunnel. Recorded in a corridor environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2992 — Shriek 23
Owner![]()
0xb8203487cE401B29ddf3416eAdE5F0697fF4Ab9d
ID#2992
Rarity
MID:42%
Frequency
142 Hz
X-HI:9%
Wave Type
AM
EX:5%
Resonance
Cold
X-HI:10%
Era
1950s
X-HI:5%
Origin
Subway Tunnel