Groan 15. A fm wave at 8000 Hz, originating from Subway Tunnel. Recorded in a vacuum environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4964 — Groan 15
Owner![]()
0x05eACcE0dd456b94dAa3d96178b7482390fDD4eB
ID#4964
Rarity
MID:37%
Frequency
8000 Hz
EX:2%
Wave Type
FM
EX:4%
Resonance
Warm
X-HI:11%
Era
1990s
X-HI:9%
Origin
Subway Tunnel