Disk rotation speed. Although the manufacturer claims that everything is adjusted, it is necessary to check it as much as you want and from time to time. To check, you need to buy a stroboscopic disc. It is not cheap, the average price is 2022. I found it on the Internet for free, printed it out, checked it and the miracle did not happen. I had to adjust, since there is where, the manufacturer provided. I replaced the pickup, bought an external phono stage, the built-in one needs to be bitten out. And lo and behold, the background at 220 disappeared and the music began to sound. The sound is just amazing. For convenience, I installed sockets for an audio cable, a power off button. Consider the price of about 30 + head 15 + phono stage 10 total 55 For that kind of money, you can take a professional device and not waste time upgrading. And not everyone can do it on their own. But still pleases the machine, press the button and enjoy. An excellent model for a designer lover.
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