Deep Wail. A triangle wave born in Arctic Tundra, resonating since 1980s. Captured at 440 Hz in a anechoic space. One of 350 Legendary echoes — sounds that almost escaped recording.
Name
ECHO #0235 — Deep Wail
ID#235
Rarity
MID:27%
Frequency
440 Hz
X-HI:7%
Wave Type
Triangle
X-HI:8%
Resonance
Crystalline
X-HI:5%
Era
1980s
X-HI:8%
Origin
Arctic Tundra