Purr 64. A triangle wave at 20 Hz, originating from Nuclear Plant. Recorded in a corridor environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0063 — Purr 64
ID#63
Rarity
MID:29%
Frequency
20 Hz
EX:4%
Wave Type
Triangle
X-HI:8%
Resonance
Soft
X-HI:8%
Era
1960s
X-HI:6%
Origin
Nuclear Plant