Modular Mainframe with capacity for up to 12 electronic cards: preamplifier with adjustable sensitivity, prerecorded messages, telephone messages, automatic level control...
Universal preamplifier card to insert into the PM main frame. Programmable input sensitivity (MICRO, AUX AUX H and L). It has bass and treble controls, with removable buttons...
Universal preamplifier card to insert into the PM main frame. Programmable input sensitivity (MICRO, AUX AUX H and L). It has bass and treble controls, with removable buttons...
Priority paging card with 2 inputs of 0 dB sensitivity and 1 output with adjustable level between + 2 dB and - 73 dB. Both the inputs and the output can be balanced using transformers T-700 . The output switches from one input to another when priority is activated...
Card with 2 switching circuits, to insert into the chassis PM. It allows connection of two amplifiers, one for music and one for paging...