Bound 50. A sine wave at 40 Hz, originating from Subway Tunnel. Recorded in a cathedral environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #2425 — Bound 50
ID#2425
Rarity
X-LO:76%
Frequency
40 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Harsh
X-HI:8%
Era
1960s
X-HI:6%
Origin
Subway Tunnel