Snap 86. A triangle wave at 142 Hz, originating from Subway Tunnel. Recorded in a vacuum environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2956 — Snap 86
ID#2956
Rarity
LO:59%
Frequency
142 Hz
X-HI:9%
Wave Type
Triangle
X-HI:8%
Resonance
Metallic
EX:5%
Era
1960s
X-HI:6%
Origin
Subway Tunnel