ACT-1 is the Gamewell-FCI Audio Coupling Transformer for E3 Series systems. It couples a low-level audio signal to AA-100 or AA-120 audio amplifiers that are mounted remotely from the low-level audio source, such as an INI-VGE, and provides electrical isolation between equipment on separate power supplies that each have ground fault detection enabled. It also provides common mode noise rejection, reducing crosstalk from the signaling line circuits.
Specifications
| Function |
Low-level audio coupling transformer for audio systems with multiple power supplies |
| Amplifiers per ACT-1 |
Up to eight, from the low-level audio plug (P1, pins 1, 2 and 3) |
| Output wiring |
Max. 200 ft (61 m); 18 to 12 AWG (0.75 to 3.25 mm²) |
| INI-VGE to ACT-1 distance |
20 ft max. |
Compatibility and installation notes
- Used with AA-100 and AA-120 audio amplifiers; the ACT-1 plugs into terminal block P3 of the first amplifier in the chain, and its EARTH terminal connects to P8 on the AA-100/AA-120 with the supplied cable.
- Low-level audio input connects to TB1 on the ACT-1. Do not connect input shields to the local power supply common.
- Multiple ACT-1s are needed for amplifiers on multiple audio channels.
- Applications: amplifiers mounted remotely from the low-level audio source, power supplies in the main and remote cabinets not sharing a common, and ground fault detection enabled on each supply.
- Works with the INI-VGE voice gateway.
Documents
Specifications from Gamewell-FCI E3 Series Classic Installation/Operation Manual P/N 9000-0577:L4 (2/02/2016) and data sheet 9020-0649:X (05/01/2020). Manufacturer specifications are subject to change.
