Rattle. A square wave at 220 Hz, originating from Industrial Zone. Recorded in a chamber environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0773 — Rattle
ID#773
Rarity
LO:52%
Frequency
220 Hz
X-HI:8%
Wave Type
Square
X-HI:10%
Resonance
Viscous
EX:3%
Era
1990s
X-HI:9%
Origin
Industrial Zone