Fire Alarm Test #8 | Simplex 4030 | #firealarmfriday 4050-80 10K subscribers Subscribe

Find many great new & used options and get the best deals for Vintage IBM Simplex 4030-2 Fire Alarm Double Horn Air RAID Siren 715720 720087 at the best online prices at eBay!

The Vintage Simplex 4030-1B is a trumpet-style fire alarm horn operating at 12 VAC and drawing 1.5 amps. Its classic design ensures reliable audible alerts in emergency situations, making it suitable for …

Vintage Dual Projection Siren Simplex Time Recorder Co. Model 4030-2B 115 Volt. .18 Amp. 60 Cycle. 130 OHMOverall very good visual condition. Originaclel surface with scratches and dings.

Originally, Simplex's fire alarm line simply consisted of relabeled IBM devices and control panels, but they began to introduce redesigned IBM products starting in the early 1960s.

Here's a sound off of my IBM 4030-IB (Simplex 4030) horn. This horn is the loudest alarm in my collection. Its loudness is most likely over 100 DB too which is crazy loud.

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Find many great new & used options and get the best deals for Vintage Simplex 4030 Fire Horn Double Horn - Tested Works at the best online prices at eBay! Free shipping for many products!

Feeling a little crazy today, and decided to set off all five of my 4030s. During the testing of each horn, I decided to pick each one up so you could hear how they would sound properly, because...

This is a very nice and quite rare International Business Machines / Simplex, model 4030-2B Double Projector Fire Alarm or Air Raid Siren from the 1940s or 1950s.