Terra is modifying its 70-volt offerings by making available upgraded, higher output transformers for the AC and LS Series. The new transformers double the voltage settings over the previously available units. Terra says that this results in a noticeable increase in sound level.
The updated transformers utilize high iron content cores to dramatically reduce the chance of core saturation and advanced copper winding technology to enhance bass performance.They’re also equipped with an 8-ohm bypass switch position that effectively takes the transformer out of the circuit for maximum fidelity when used in non-70-volt applications. The transformers and tap selector switches are weather-sealed.