Media Summary: I recently dug up my other 2903 strobe plate. It's an earlier revision than the one featured in my other videos, with different circuitry, ... sigh*, another mechanical horn. And THIS time, it's one that is DANGEROUSLY LOUD! Really though, this alarm is insanely loud! Here's something I've had for a while that some of you may not know about. That is, unless you remember that video where I put a ...
Issue With Simplex 2901 9806 B2 - Detailed Analysis & Overview
I recently dug up my other 2903 strobe plate. It's an earlier revision than the one featured in my other videos, with different circuitry, ... sigh*, another mechanical horn. And THIS time, it's one that is DANGEROUSLY LOUD! Really though, this alarm is insanely loud! Here's something I've had for a while that some of you may not know about. That is, unless you remember that video where I put a ... First Generation Simplex 2903-9102 + Simplex 2901-9806 B2 Test Fahrenheit4051: The Last Springbender, demonstrating the ancient art of fixing old mechanical fire horns. This - For this 4th of July, I bring to you another mini test :). In this mini test, I test out BOTH of my
This Simplex 2901-9838 Sounds Like a 9806! It's fine, I just discovered that it sounds weird sometimes when tuning. Simplex 2901-9806 (B2 Series) - March Time (120BPM) - 1/31/26
