Hiss. A square wave at 1200 Hz, originating from Subway Tunnel. Recorded in a infinite hall environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0710 — Hiss
Owner![]()
0x94a1a007c8C202574F4a4b159db4B228D20071b6
ID#710
Rarity
HI:20%
Frequency
1200 Hz
EX:4%
Wave Type
Square
X-HI:10%
Resonance
Brittle
X-HI:6%
Era
1990s
X-HI:9%
Origin
Subway Tunnel