Volume control suitable for restaurants, hotel bathrooms, etc. The LR 20 Mono is equipped with a rotary switch and a resistance network. This makes it particularly suitable for use in public buildings. The metal support plate is screwed onto a standard flush-mounted box with a depth of 63 mm. It is prepared for the blind switch cover with rotary knob of the respective switch range. These parts are available from electrical wholesalers. For the exact order designation depending on the switch range, see the table at the end of the audio electronics chapter.
