Audible alarms

The loudspeakers series AP are produced with a cylindrical body and two different types of lid: flat or dome-shaped. In both cases the ABS horn is mechanically fitted on the end of the body. They come in two different sizes: the smallest (AP 6) can hold a magnetodynamic unit of 6W – 8Ω without a transformer while the biggest (AP 9/C) can hold a unit with a 100V transformer for a max. 60W power.
Enclosure in light alloy. RAL 7000 external epoxy coating.
The rotary sirens ETS 60 are composed by a body in aluminium alloy with screwed cover.Acoustic warning of alarms, averages, etc.
The cast iron version is certified for I Group of mines and galleries with presence of explosive dusts.