The Sanyo JT-340 L is a tuner released as part of Sanyo's audio product lineup in the mid-1980s. It represents a model within a series that was designed to integrate with Sanyo's audio systems. The JT-340 L, while not exhaustively detailed in public resources, offers features typical of its time, likely including FM/AM capabilities and a range of tuning options. Its design would align with Sanyo's aesthetic during this period, which usually combined functional layouts with straightforward interfaces for ease of use. It is generally compatible with other components from Sanyo’s audio ranges, which indicates a harmonious integration in multi-component settings. The model was produced around the mid-1980s, and while specifics on specifications such as frequency response, power handling, or output levels may not be widely documented, it holds significance within its product family for those seeking to complete or enhance vintage audio systems.