Hum. A pulse wave at 220 Hz, originating from Industrial Zone. Recorded in a container environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2590 — Hum
ID#2590
Rarity
LO:51%
Frequency
220 Hz
X-HI:8%
Wave Type
Pulse
X-HI:7%
Resonance
Brittle
X-HI:6%
Era
1990s
X-HI:9%
Origin
Industrial Zone