The Philips Tonmeister 686 TA is a stereo receiver that was manufactured between 1978 and 1980. It had a retail price of approximately 1,200 German Marks at the time of its release. This model is part of a series that includes several other models such as the Tonmeister 682 TA, 683 TA, 684 TA, 777 TA, 793 TA, 794 TA, and 796 TA. While specific technical specifications for the 686 TA are not detailed, receivers from this era typically featured AM/FM radio, multiple input options for connecting various audio sources, and built-in amplification for driving speakers directly. The design likely reflects the aesthetic of late 1970s consumer electronics, with a focus on both functionality and style.