We introduce two new occupant warning amplifiers for Pertronic F220 fi…
The speaker walk test facility on Pertronic EA60 and EA120 amplifiers …
The F220 occupant warning system (OWS) is a facility-wide sound system…
The new LASS-series addressable synchronisable warning devices are now…
Some new evacuation systems are required to have two independent sound…
In May 2016 we introduced our new AS 7240-compliant analogue addressab…
Audio evacuation warning systems are vulnerable to short-circuits caus…
When amplifiers are used to drive evacuation systems it is often diffi…