Thu Dec 04, 2014 3:25 am
Wire the solenoids on a 1003 together. They'll open and close simultaneously, creating that Pulsed tone. There are (or used to be) Thunderbolt 7026s (1003s with generator backup, I think) that sound (or used to sound) pulse in Kuwait. The sound is bizarre.
Last edited by
sirendude2012 on Thu Dec 04, 2014 4:05 am, edited 2 times in total.
THUNDERBOLT HAS BEEN SOLD