Spark 48. A sawtooth wave at 40 Hz, originating from Urban Grid. Recorded in a corridor environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1829 — Spark 48
ID#1829
Rarity
HI:22%
Frequency
40 Hz
X-HI:5%
Wave Type
Sawtooth
X-HI:9%
Resonance
Brittle
X-HI:6%
Era
1960s
X-HI:6%
Origin
Urban Grid