Putting the numbers in the formula and solving tells me the record presented a 516,478 mm. groove to the needle. 516,478 mm. is the same as: 516.5 meters, a little more than half a kilometer 1,695 feet, or 0.32 mile And that’s only for one side. If the other side is the same length the needle could then travel 1.033 km or 0.64 miles in 48 minutes.
Day: September 1, 2026
No true broadcast grade transcription turntable plays 16 2/3 RPM discs. The closest which does to one (and needs the 12″ arm and the rare LB option) is the Thorens TD 124. 12″ tonearms which can play 16″ discs are very expensive. $1000 won’t buy you a real broadcast turntable, a 12″ tonearm and a base. Most also don’t have variable speed. The closest you can get (but won’t play Stereo discs …

