The Sestos Series is a series of omnidirectional electromechanical sirens made by Raging Signalling. They can range from 115 to 122 dB @ 100 ft. A rotational version of the series, named the Zestos Series is also available.
A sestos siren has 4 available colors: Yellow, White, Red, and Gray. A sestos siren will be 4/6 port, and will have square horns. They will also have a "cone" on top of the upper intake. For the horizontal models, they lack horns and are basically flipped onto their sides.
The 10 represents the amount of horns, the only exception are the horizontal models, which are called Sestos-H sirens.
Sestos-10[]
The most popular in the series. It has 2 choppers, one being 4 port, and one being 6. The siren boasts a 10 hp motor and has 10 square horns. The siren is able to reach 122 dB @ 100 ft. Outperformed by many other sirens, but is still good.
Sestos-0[]
The Sestos-0 is a version of the Sestos-10 that has no horns, lowering the cost of the siren and also significantly decreasing the sound output of the siren. With the horns removed, it is only as loud as 115 dB @ 100 ft.
Sestos-H[]
The Sestos-H, otherwise known as the Sestos-H2, is a horizontal Sestos-10 that has no "cone" and has no horns. These sirens are not really popular but are also less expensive than the Sestos-0. It has a sound output of 118 dB @ 100 ft.
Sestos-HC[]
The Sestos-HC is a coded version of the Sestos-H. It is now capable of doing Alternate Steady (Hi-Lo), Alternate Wail, Pulse Steady, and Pulse Wail. It is 118 dB @ 100 ft, just like the Sestos-H. Its intakes are lengthened as to fit the dampers, as the intakes were not long enough to fit the junction boxes of the dampers.