The Philips AH 690 T is a tuner that was produced between 1978 and 1980, and was priced around 395 DM at launch. This device was designed to receive FM and AM broadcasts, making it suitable for various listening preferences. As part of a broader series of audio equipment, it shared compatibility and styling with models such as the Philips AH 170 T, AH 180 T, AH 186 T, and AH 673 T. The tuner aimed to provide a solid performance in audio reception, catering to enthusiasts looking for quality sound. Its design likely reflects the aesthetic trends of the late 1970s, featuring traditional knobs and a functional layout typical of the time.