... Needle pressure adjustable available and piece pressure adjustable availableBlu-ray speed monitoring: 33-1/3,45,78 Automatically back to ... tonearm bracket5, tonearm6, the cartridge (stylus)7, the speed regulator, there are three speed in the market :33 / one-third (also known ... 78 rpm. We adjust here , pay special attention to: "+ -" speed fine-tuning function, generally push down to the middle position ...