Koyo KR-6TS1
Koyo KR-6TS1
Inside of the back cover, which includes a simple layout diagram and the name KOYO molded near the lower right corner as seen in this photo.
This radio features a 3-inch speaker and measures 89 x 136 x 39 mm (5-3/8" x 3-1/2" x 1-1/2").