The TR3xxx offers a range of line transformers with a power ranging from 30 Watt up to 480 Watt. There are different tappings available for 50V, 70V and 100V lines, and the low impedance side is selectable between 2 Ohm, 4 Ohm and 8 Ohm. All these tranformers are designed to be mounted on the TR3000 installation plate and are supplied with all necessary accessories for mounting.