Urmet Domus Director 2 Cl 4091 Instruction Manual Urmet Domus Today

: If the 4091 is faulty, modern universal speech units like the Urmet 1145/67

: Most Director units feature two small potentiometers (trimmer screws) to balance the volume of the microphone and speaker to prevent feedback (Larsen effect). Maintenance & Troubleshooting : If the 4091 is faulty, modern universal