The Siren Board

Discussion of Outdoor Warning Systems
https://airraidsirens.net/forums/

7/10 ratio siren clip

https://airraidsirens.net/forums/viewtopic.php?t=26752

Page 1 of 1

7/10 ratio siren clip

Posted: Sun Dec 06, 2020 8:13 pm
by Hacksaw
Happened on what sounds like a 7/10 port ratio siren, 4:40 in here:

https://youtu.be/b114xlklDVg
All times are UTC
Page 1 of 1
Powered by phpBB® Forum Software © phpBB Limited
phpbb.com