Break 74. A sine wave at 741 Hz, originating from Subway Tunnel. Recorded in a corridor environment, era: 1960s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #1558 — Break 74
ID#1558
Rarity
LO:65%
Frequency
741 Hz
X-HI:5%
Wave Type
Sine
X-HI:13%
Resonance
Soft
X-HI:8%
Era
1960s
X-HI:6%
Origin
Subway Tunnel