Rumble 79. A sawtooth wave at 220 Hz, originating from Subway Tunnel. Recorded in a infinite hall environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #5028 — Rumble 79
ID#5028
Rarity
HI:25%
Frequency
220 Hz
X-HI:8%
Wave Type
Sawtooth
X-HI:9%
Resonance
Crystalline
X-HI:5%
Era
2020s
X-HI:6%
Origin
Subway Tunnel