While it will technically work, the old tube tvs had a 4:3 resolution of 5xx x 3xx or so, depending on if they used PAL or NTSC. Modern TV Interfaces are typically designed for a screen resolution of 1200x800 and 16:10 or 16:9, which means the fonts will be unreadable and half of the screen is cut off.
Roku has composite out (yellow, white, red) to a RF modulator and coaxle out of modulator to the tv on channel 3 or 4.
While it will technically work, the old tube tvs had a 4:3 resolution of 5xx x 3xx or so, depending on if they used PAL or NTSC. Modern TV Interfaces are typically designed for a screen resolution of 1200x800 and 16:10 or 16:9, which means the fonts will be unreadable and half of the screen is cut off.