Void. A pulse wave at 220 Hz, originating from Urban Grid. Recorded in a corridor environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3461 — Void
ID#3461
Rarity
MID:49%
Frequency
220 Hz
X-HI:8%
Wave Type
Pulse
X-HI:7%
Resonance
Metallic
EX:5%
Era
1950s
X-HI:5%
Origin
Urban Grid