Buzz 29. A square wave at 142 Hz, originating from Subway Tunnel. Recorded in a cathedral environment, era: 1970s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1513 — Buzz 29
ID#1513
Rarity
MID:37%
Frequency
142 Hz
X-HI:9%
Wave Type
Square
X-HI:10%
Resonance
Dense
X-HI:6%
Era
1970s
X-HI:6%
Origin
Subway Tunnel