Two More AC-Powered Fire Alarm Horns! - Simplex 4040 & 4050
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YouTubeFahrenheit4051
Two More AC-Powered Fire Alarm Horns! - Simplex 4040 & 4050
Here's another quick fire alarm showcase featuring two old 120 VAC fire alarm horns - a Federal Signal Vibratone 350, Series A1 (aka the Simplex 4040), and a Simplex 4050. These came in the same lot as my 4090-90 speaker.
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