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by Randomizer
Tue May 28, 2024 7:12 pm
Forum: Main Outdoor Warning Sirens Board
Topic: 1986 ACA Alertronic 6000R
Replies: 42
Views: 101683

Re: 1986 ACA Alertronic 6000R

One thing I've been wondering is the ASC 400W amp and how its interfaced with the other 200W amps in the box. Are those ASC amps just two-200W amps fused together in one box ala the Federal A100 found in the MCP or are they a full 400W amp? If its a full 400W, did you have any issues with powering ...
by Randomizer
Tue May 28, 2024 2:17 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Restoring one of Milwaukee's Gasoline Mobil Directos!
Replies: 336
Views: 231863

Re: Restoring one of Milwaukee's Gasoline Mobil Directos!

I know it's been a while, but out of curiosity are there any updates on the directo? I posted in March asking for an update on the Milwaukee replacement in the community systems thread for it. No one responded despite it being a big scuttlebutt when it started. I'm beginning to think it was a rumor...
by Randomizer
Tue May 28, 2024 2:09 pm
Forum: Main Outdoor Warning Sirens Board
Topic: 1986 ACA Alertronic 6000R
Replies: 42
Views: 101683

Re: 1986 ACA Alertronic 6000R

One thing I've been wondering is the ASC 400W amp and how its interfaced with the other 200W amps in the box. Are those ASC amps just two-200W amps fused together in one box ala the Federal A100 found in the MCP or are they a full 400W amp? If its a full 400W, did you have any issues with powering i...
by Randomizer
Sat Apr 13, 2024 5:17 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 3319

Re: Schaumburg ACA P-50 Came Down Today…

Greenrid wrote:
Sat Apr 13, 2024 2:03 pm
I for some reason can't see the images. You may have to upload the images to the post, so they are more likely to be seen!
Shows fine for me
by Randomizer
Fri Apr 12, 2024 5:49 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Post the most epic sirens picture(s) you have!
Replies: 265
Views: 362368

Re: Post the most epic sirens picture(s) you have!

SirensOfAustralia wrote:
Wed Apr 10, 2024 11:34 am
These would be my most favorite shots of all time. Albury Civic FRNSW's Grifco 888 during sunset! :D
Some people are just posting pics in this thread of any old siren taken any old way.

But this? This is epic.
by Randomizer
Sun Mar 31, 2024 10:24 pm
Forum: Community Systems
Topic: Milwaukee siren system being redone.
Replies: 19
Views: 65831

Re: Milwaukee siren system being redone.

Any updates on this?

Doesn’t seem like anything has happened yet and we’re in peak severe weather season.
by Randomizer
Tue Jan 16, 2024 10:35 am
Forum: Main Outdoor Warning Sirens Board
Topic: Hearing Protection?
Replies: 9
Views: 7226

Re: Hearing Protection?

Just use some standard headphone style hearing protection or you can use some noise cancelling headphones like AirPods Pros. This is terrible advice no one should follow if listening to a siren up close. Noise cancelling headphones use certain frequencies to cancel out ambient noise entering the se...
by Randomizer
Tue Jan 02, 2024 8:15 pm
Forum: Videos and Media
Topic: Norcross GA ATI...yall check this out! You'll recognize the recording...
Replies: 5
Views: 25718

Re: Norcross GA ATI...yall check this out! You'll recognize the recording...

ATI sirens, at least from the limited documentation I've seen, are little more than Raspberry Pis (or something equivalent) mated to an amplifier board. Its little wonder so many of them just play things back.
by Randomizer
Sat Dec 30, 2023 5:27 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Reverse wired Thunderbolts?
Replies: 7
Views: 40649

Re: Reverse wired Thunderbolts?

This is a slight deviation from the original question, but what I’ve heard people saying that sirens such as the Cyclone have been reverse-wired too, so what do they mean by that? ACA sirens used curved veins in the rotor and those curves continued into the stator. This allowed them to more efficie...
by Randomizer
Fri Dec 29, 2023 3:47 am
Forum: Main Outdoor Warning Sirens Board
Topic: 1986 ACA Alertronic 6000R
Replies: 42
Views: 101683

Re: 1986 ACA Alertronic 6000R

Most informative. Thanks for sharing!

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