Clatter. A sawtooth wave at 20 Hz, originating from Subway Tunnel. Recorded in a cathedral environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0400 — Clatter
ID#400
Rarity
MID:38%
Frequency
20 Hz
EX:4%
Wave Type
Sawtooth
X-HI:9%
Resonance
Cold
X-HI:10%
Era
1950s
X-HI:5%
Origin
Subway Tunnel