Grain. A triangle wave at 528 Hz, originating from Industrial Zone. Recorded in a vacuum environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1319 — Grain
ID#1319
Rarity
LO:54%
Frequency
528 Hz
X-HI:6%
Wave Type
Triangle
X-HI:8%
Resonance
Hollow
X-HI:5%
Era
1960s
X-HI:6%
Origin
Industrial Zone