Panasonic RX-DT9 The exterior condition is not very good. In particular, there is a considerable amount of dust accumulated inside the speaker nets. Disassembly of the main unit is required to remove it. The following is the operational status: ・CD playback was possible. ・AM/FM radio reception was possible. There are no bends in the antenna. ・Cassette 1 playback was possible. However, sometimes the cassette is not recognized well unless the door is opened and closed several times. ・Cassette 2 playback is possible, but there is noise. ・Input playback from MIX MIC is no problem. ・Input playback from AUX IN is also no problem. ・Output from CD OUT was possible. ・S-XBS ON/OFF is normal. S-XBS level adjustment is also no problem. ・EQ presets also function. ・The LCD lighting is ON/OFF without problems. Brightness adjustment is also possible. ・There is no scratchiness in the volume. ・The balance adjustment knob is no problem. Not all operations have been confirmed, so there is a possibility of defects. Also, there is a possibility of sudden malfunctions, so please consider purchasing with the understanding of these points.