Patter 68. A triangle wave at 220 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 1940s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1750 — Patter 68
Owner![]()
0x998404D5CD6e83d20d47D2D3259718Ca9Bad7291
ID#1750
Rarity
MID:37%
Frequency
220 Hz
X-HI:8%
Wave Type
Triangle
X-HI:8%
Resonance
Metallic
EX:5%
Era
1940s
EX:4%
Origin
Subway Tunnel