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clarksburg_1000t
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What is the Story Behind The "TWS-29X" Sirens

Wed Jun 07, 2023 4:40 am

Online on the Civil Defense Sirens Wikipedia page, I found a picture that looked to be a Whelen 2905 however the caption said "Siren TWS-295 for warning system, manufactured by HSS Engineering"
This is the image that went with it:
Image
When I looked up the company "HSS engineering," I found that they had 40 years of outdoor warning siren experience although there was no establishment date that I could find. The siren recordings on their website matched pretty closely with the Whelen site
HSS:https://hss.dk/project/tws-series/
Whelen:https://www.whelenmassnotification.com/ ... ing-tones/
They also appear to be using Photoshopped images of Whelen Omni Alert sirens
Image

Can anyone tell me the exact origins of the company and why the sirens look similar? More importantly, Which came first: Whelen or HSS?
I will also entertain the possibility that the siren is a re-branding similar to W.S. Darley & Co.
Proud owner of a Lion King LK-100 hand crank siren. I also can also brag about riding behind a "Climax" locomotive...almost 10 years later.
Greetings from Morgantown West Virginia, home of the longest and oldest PRT system in the world!

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Synther
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Re: What is the Story Behind The "TWS-29X" Sirens

Wed Jun 07, 2023 7:31 am

HSS is a Danish company who sells Whelen in Europe and the Middle East. They installed and presumably maintain the Whelen systems in Denmark and Saudi Arabia, the first picture is actually a Saudi Whelen I believe.
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HudsonRiverSirens
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Re: What is the Story Behind The "TWS-29X" Sirens

Wed Jun 07, 2023 12:45 pm

These sirens have also been mentioned numerous times on this website, searching "HSS" yields all the answers to your question
Sirens may not be sexy, but they sure work.

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clarksburg_1000t
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Re: What is the Story Behind The "TWS-29X" Sirens

Wed Jun 07, 2023 3:05 pm

Okay, thanks for the help.
Proud owner of a Lion King LK-100 hand crank siren. I also can also brag about riding behind a "Climax" locomotive...almost 10 years later.
Greetings from Morgantown West Virginia, home of the longest and oldest PRT system in the world!

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