Teho-Ulvo D-Series: Difference between revisions

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Teho-Ulvo series contains electronic outdoor warning sirens, created by the Finnish company [http://www.elektro-arola.fi/ Elektro-Arola Oy] in 1991. The alarms from the high-power speakers are achieved using a computer-optimized program ("VORO" control software in Finland). Teho-Ulvo D consists of two parts: central unit with control and amplifier electronics and horn speaker set normally installed with a mast pipe. D2400's sound range reaches 1,248 m (4094,8 ft), and the smallest model, D600 reaches 761 m (2496,7 ft). Since circa 2012, the sirens' controllers have been modernized, which resulted in a new sound.
The Teho-Ulvo D-Series contains electronic outdoor warning sirens, produced by the Finnish company [http://www.elektro-arola.fi/ Elektro-Arola Oy] since 1991. The alarms from the high-power speakers are achieved using a computer-optimized program ("VORO" control software in Finland). Teho-Ulvo D consists of two parts: central unit with control and amplifier electronics and horn speaker set normally installed with a mast pipe. D2400's sound range reaches 1,248 m (4094,8 ft), and the smallest model, D600 reaches 761 m (2496,7 ft). Since circa 2012, the sirens' controllers have been modernized, which resulted in a new sound.
The sirens are spread all over Finland in large amounts along with Oy Strömberg Ab, Sarco and German sirens. Teho-Ulvo's have also been installed in Saudi Arabia (amount unknown), with the speakers set significantly more separate.  
The sirens are spread all over Finland in large amounts along with Oy Strömberg Ab, Sarco and German sirens. Teho-Ulvo's have also been installed in Saudi Arabia (amount unknown), with the speakers set significantly more separate.  
== Models ==
== Models ==

Revision as of 01:23, 27 August 2024

The Teho-Ulvo D-Series contains electronic outdoor warning sirens, produced by the Finnish company Elektro-Arola Oy since 1991. The alarms from the high-power speakers are achieved using a computer-optimized program ("VORO" control software in Finland). Teho-Ulvo D consists of two parts: central unit with control and amplifier electronics and horn speaker set normally installed with a mast pipe. D2400's sound range reaches 1,248 m (4094,8 ft), and the smallest model, D600 reaches 761 m (2496,7 ft). Since circa 2012, the sirens' controllers have been modernized, which resulted in a new sound. The sirens are spread all over Finland in large amounts along with Oy Strömberg Ab, Sarco and German sirens. Teho-Ulvo's have also been installed in Saudi Arabia (amount unknown), with the speakers set significantly more separate.

Models

Model Image Speakers
D600 6-8 (4x2-8)
D1200 12-16 (12x2, 16x4)
D1800 18-24 (18x6, 24x8)
D2400 24 or 32
D2400/4 MDH 4

References

http://www.elektro-arola.fi/tehoulvod.aspx