Sharp GF-508
The Sharp GF-508, nicknamed "Searcher XL", was the 100-volt, Japan-only version of the GF-9696. There were two color choices: The GF508ST which is all-silver, and the GF508SB which is black behind the grills. Suggested retail price was 89,800 Yen. It has 6 speakers (including 18cm woofers), and it takes 10 D-cell batteries. The power output is 22 watts (2x11) RMS. It uses the same amplifier as the GF-777.
If you need a battery door for this model, you can buy a 3D-printed one HERE