Fold. A triangle wave at 220 Hz, originating from Nuclear Plant. Recorded in a corridor environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2422 — Fold
ID#2422
Rarity
LO:72%
Frequency
220 Hz
X-HI:8%
Wave Type
Triangle
X-HI:8%
Resonance
Cold
X-HI:10%
Era
1980s
X-HI:8%
Origin
Nuclear Plant