Simplex 4903-9219 Horn Strobe Test

[@jonathanzavalaz]

I like the sound.

[@Camporito25]

Nice! I've always wanted one.

[@catz_crazy6672]

My school has these alarms and a random 4903 9236

[@GarageofConstantSorrow]

Simplex 4903-9219 mechanical horn strobe test the horn sounds like a low Pitch 9838

[@mfa_firesafety]

The Horn Mechanism has extra electronics to make the pitch of the horn lower.

[@elijahraikes8624]

Your Simplex 4903-9219 your sound like a low pitch 9838

[@JDDook-f5sx-music]

0:05

[@boydalexander4652]

This is the same pitch as the Edwards EST integrity

[@mrwtuber1217]

And kinda like the 4901 9838!