Lull 18. A square wave at 20 Hz, originating from Industrial Zone. Recorded in a anechoic environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0908 — Lull 18
ID#908
Rarity
LO:66%
Frequency
20 Hz
EX:4%
Wave Type
Square
X-HI:10%
Resonance
Crystalline
X-HI:5%
Era
1960s
X-HI:6%
Origin
Industrial Zone