The Pioneer TX-500 is a vintage AM/FM stereo tuner that was manufactured in the 1970s. It features a solid-state design and has a classic silver front panel with knobs for tuning and volume control. The tuner has a frequency range from 535 to 1605 kHz for AM and 88 to 108 MHz for FM. It also includes a signal strength meter and an illuminated tuning dial. The Pioneer TX-500 A is a variant of the TX-500 model.