Boom 33. A triangle wave at 220 Hz, originating from Arctic Tundra. Recorded in a cave environment, era: 1950s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0329 — Boom 33
ID#329
Rarity
LO:71%
Frequency
220 Hz
X-HI:8%
Wave Type
Triangle
X-HI:8%
Resonance
Dense
X-HI:6%
Era
1950s
X-HI:5%
Origin
Arctic Tundra