Media Summary: Cool so yeah that was my Simplex 49ers I mean my I decided I'd do a side-by-side comparison of my two Happy New Year, for my first video of 2026, a small new years sound off, and part 2 of "(Interesting combo)
Simplex 2903 Speaker Strobe - Detailed Analysis & Overview
Cool so yeah that was my Simplex 49ers I mean my I decided I'd do a side-by-side comparison of my two Happy New Year, for my first video of 2026, a small new years sound off, and part 2 of "(Interesting combo) They seem to be pretty popular, so I figured I'd do a bonus clip with the January fire alarm system test featuring vintage Simplex 2903-9001 quick test (needs adjusting)
![[E] July 4, 2022 Fire alarm Simplex 2903 test](https://i.ytimg.com/vi/K4qvEIIFsew/mqdefault.jpg)