Echo 73. A triangle wave at 2400 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 1980s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5319 — Echo 73
ID#5319
Rarity
LO:67%
Frequency
2400 Hz
EX:4%
Wave Type
Triangle
X-HI:8%
Resonance
Soft
X-HI:8%
Era
1980s
X-HI:8%
Origin
Subway Tunnel