The Siren Board

Over the past few years, I’ve been hearing mentions of a Modulator “3024H”, essentially a high powered version of the good old MOD3012. Several siren enthusiast here in Hawai’i have been labeling certain MOD3012’s around the islands as “MOD3024’s”. For a while I assumed this was simply a typo, & boy was I wrong. After doing some digging on Federal Signal’s order sheets from 2005, I discovered a model that I’ve never heard of, the MOD3024H. It’s listed directly below the MOD3012. It seems that Federal Signal has crammed double the speaker drivers in a MOD3012’s housing, the same amount of speaker drivers that would be found inside a MOD6024. Can anyone confirm this is actually the case? Fast forwarding to 2022, I’m unsure if the “3024H” option is still available for the Modulator 2 series 3012B. I know they did this with the MOD6032B, doubling the amount of drivers in the center most cells, we have a lone 6032B on O’ahu at Koa Ridge. Any information regarding these 3024H’s would be appreciated, as from what I’m told we have dozens in Hawai’i floating around in our system.

Funny you mention this, because I was going to say something about it in your 1212 topic, but didn't bother because it wasn't relevant.

Federal Signal started building these in 2002 I think? Not 100% sure, it's been a while since I looked at it. Hawaii was a pretty big customer for them, almost exclusively purchasing 3024s from the time they started producing them to the very end when Federal discontinued it, which was likely at the same time the Modulator I series was discontinued. If you want proof of this, I'm not really joking in saying that you can visit any 3 celled Mod that was installed with a later MCP or UV and read the ID tag on the bottom of the siren head. The Mods that are that weird light yellow color around the island are all 3024s.

Tyler wrote: ↑

Mon Dec 26, 2022 2:38 am

Funny you mention this, because I was going to say something about it in your 1212 topic, but didn't bother because it wasn't relevant.

Federal Signal started building these in 2002 I think? Not 100% sure, it's been a while since I looked at it. Hawaii was a pretty big customer for them, almost exclusively purchasing 3024s from the time they started producing them to the very end when Federal discontinued it, which was likely at the same time the Modulator I series was discontinued. If you want proof of this, I'm not really joking in saying that you can visit any 3 celled Mod that was installed with a later MCP or UV and read the ID tag on the bottom of the siren head. The Mods that are that weird light yellow color around the island are all 3024s.



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Thanks again Tyler! Essentially the 3024H is just a more compact version of the original 6024 then, with the same driver count. This is quite interesting, as the siren closest to my house in Keolu Hills, Kailua appears to be a MOD3024H. Even the old county map has it labeled as “3024UV”. It replaced a green EOWS 612 that fell down during a wind storm about a decade ago. I always thought, for a little 3012 it sure seemed loud being over a half mile away. Having twice the wattage of a standard 3012, this explains why! Those yellow 3024H’s are only on big island sadly, they even have a yellow 6024 at the american savings bank in Kona too. Looks like I gotta start checking tags. Knowing this, I guarantee at least half of O’ahu’s 3012’s are actually 3024H’s.

echo1030 wrote: ↑

Mon Dec 26, 2022 5:25 am

Looks like I gotta start checking tags. Knowing this, I guarantee at least half of O’ahu’s 3012’s are actually 3024H’s.

I don't doubt it at all really. I've suspected the same thing, but refrained from changing names on anything without 100% proof that each unit was or wasn't a 3024.