
The Fonestar DOT-12TR is a low-power, 100 V line attenuator used for local volume control of speakers in Public Address (PA) and voice evacuation systems. It features priority wiring and a compact design.
Key Features:
Type: 100 V line attenuator with an autotransformer.
Max Power: 12 W maximum power handling.
Inputs/Outputs: High Z (High Impedance) 100 V line.
Priority System: Supports 3-wire and 4-wire priority systems (24 V), making it suitable for installations that require emergency or priority announcements to override local volume settings.
Relay Specification: 24 V, 200 mW, 8 mA.
Controls: Features an ergonomic potentiometer with 10 attenuation positions plus an off switch.
Mounting: Designed for flush or surface mounting.
Fits standard universal electrical boxes.
Can be surface mounted using the optional DOT-BOX.
Design: Minimalist aesthetic, supplied in white, but a black panel (DOT-01N) can be purchased separately.
| Feature | Specification |
| Type | 100 V Line Attenuator with Autotransformer |
| Max Power | 12 W |
| Compatibility | High Z 100 V Line |
| Controls | 10 Attenuation Positions + Off |
| Priority | 3-wire and 4-wire priority systems with 24 V Relay |
| Dimensions (Total) | 83 x 83 x 50 mm depth |
| Dimensions (Insert) | 50 x 50 x 38 mm depth |
| Weight | 0.15 kg |