GRP-52 vandal-proof speaker

 GRP-52 speaker is designed for 100V line speaker systems. It is mechanically and functionally designed to work with our intercom system DOMOFON (speaker mute during intercom calls). GRP-52 is a modernized version of the previously offered GRP-5 speaker. By reducing its dimensions, using thicker steel and additional support, the frame-mounted, we have achieved a higher resistance to acts of vandalism. Volume control is done using two vandal-proof buttons. Loudspeaker cone was additionally covered by perforated plate to protect the speaker from mechanical damage. In addition, control electronics, contained in a housing type S, can be installed in the distribution box outside the room exposed to vandalism. GRP-52 performs functions of cut-off signal and so called, forced-to-listen.

Basic parameters:
  • Input level - 100V or 120V (30V version also available)
  • Seven-level volume control
  • Power capability, 100V - 2WRMS
  • Supply voltage 9-15V, power consumption 0.4 W (eg, from intercom station KR-02W of DOMOFON system)
  • Dimensions of the plate (W x H) - 121 x 191 mm
  • Recessed cavity dimensions (W x H x D) - 126 (with intercom station 186) x 196 x 65 mm
  • The width of the flange frame - 20 mm