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by AcousticTheory
Thu Apr 18, 2024 10:50 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 883

Re: Schaumburg ACA P-50 Came Down Today…

It was due to my personal web space not being https, and some browsers default to require all connections to be https nowadays. SSL certificate purchased, certification 'authorities' got their money, now you can see the photos.
by AcousticTheory
Thu Apr 18, 2024 3:23 am
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 883

Re: Schaumburg ACA P-50 Came Down Today…

It may be due to them being PNG format, maybe some browsers don't like it. I'll try converting to JPG format.
by AcousticTheory
Sun Apr 14, 2024 3:26 am
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 883

Re: Schaumburg ACA P-50 Came Down Today…

I went back to the former P-50 site and took these photos of the new T-135 siren: http://www.taterworks.com/www/images/P50/T135_01.png http://www.taterworks.com/www/images/P50/T135_02.png http://www.taterworks.com/www/images/P50/T135_03.png http://www.taterworks.com/www/images/P50/T135_04.png http:/...
by AcousticTheory
Sat Apr 13, 2024 4:59 am
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 883

Re: Schaumburg ACA P-50 Came Down Today…

Images from the Schaumburg P-50 removal: http://www.taterworks.com/www/images/P50/P50_01.png http://www.taterworks.com/www/images/P50/P50_02.png http://www.taterworks.com/www/images/P50/P50_03.png http://www.taterworks.com/www/images/P50/P50_04.png http://www.taterworks.com/www/images/P50/P50_05.png...
by AcousticTheory
Sat Apr 13, 2024 1:05 am
Forum: Main Outdoor Warning Sirens Board
Topic: Schaumburg ACA P-50 Came Down Today…
Replies: 19
Views: 883

Schaumburg ACA P-50 Came Down Today…

Through a stroke of unbelievable serendipity, I was in Schaumburg IL for a hi-fi audio convention, and the route from my hotel to the convention video takes me along Remington Road, from which the Tower Rd Schaumburg ACA P-50 can be seen along National Blvd. This morning as I was headed to the event...
by AcousticTheory
Fri Apr 09, 2021 3:54 am
Forum: Main Outdoor Warning Sirens Board
Topic: Unused patent? (Again)
Replies: 7
Views: 2270

Re: Unused patent? (Again)

This patented design actually presents significant acoustical challenges. A plurality of compression drivers are shown radiating into a disc shaped chamber, but the wave expansion is not smoothly and seamlessly preserved from each of the compression drivers, which will reduce the efficiency of the h...
by AcousticTheory
Tue Feb 23, 2021 12:22 am
Forum: Community Systems
Topic: Photo of Elk Grove Village, IL ACA Hurricane MK1
Replies: 5
Views: 3213

Re: Photo of Elk Grove Village, IL ACA Hurricane MK1

Where did the photos go?
by AcousticTheory
Sat Feb 06, 2021 8:43 pm
Forum: Main Outdoor Warning Sirens Board
Topic: A new enthusiast from Germany!
Replies: 5
Views: 1476

Re: A new enthusiast from Germany!

Welcome, and I look forward to seeing your photos. Any HLS systems nearby you?
by AcousticTheory
Sat Feb 06, 2021 8:20 pm
Forum: Other Warning Systems - Indoor, Outdoor and Vehicular
Topic: University Speakers Company
Replies: 7
Views: 5323

Re: University Speakers Company

University Sound was acquired by Gulton Industries, which also acquired Electro-Voice in 1967, so both brands became part of the same company between 1967 and 1984 when Gulton was acquired by Mark IV Industries. In 2001, Electro-Voice was merged with Telex by the private capital company that acquire...
by AcousticTheory
Mon Feb 01, 2021 2:59 am
Forum: Main Outdoor Warning Sirens Board
Topic: RSVP Due July 15th! Final Update!! SIRENCON 2021 - AUGUST 28 - BE THERE!
Replies: 28
Views: 11031

Re: SIRENCON 2021 - AUGUST 28 - BE THERE!

I skimmed the announcement and saw mention of 'signing up', but I didn't see anything more about the registration process. I'm not a member of Facebook after the events of the past year, so should I send an email to the address provided?

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