Burst 94. A triangle wave at 8000 Hz, originating from Subway Tunnel. Recorded in a vacuum environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5142 — Burst 94
ID#5142
Rarity
LO:53%
Frequency
8000 Hz
EX:2%
Wave Type
Triangle
X-HI:8%
Resonance
Warm
X-HI:11%
Era
1970s
X-HI:6%
Origin
Subway Tunnel