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I bought my PD-121S (European version as I understand it, where the U version is for the US) in Denmark in 1979.
But what do you mean by 'updated version'?
I bought my PD-121S (European version as I understand it, where the U version is for the US) in Denmark in 1979.
But what do you mean by 'updated version'?
The pd-121a is supposedly quartz lock and has a different motor design more akin to the pd-441. I have since imported a pd-121a from Japan. Don't have a normal 121 to compare to though
I bought my PD-121S (European version as I understand it, where the U version is for the US) in Denmark in 1979.
But what do you mean by 'updated version'?
I only know that My 121S has no quartz lock motor, but a DC Servo. Which models use what type, I have no clue. But I understand that one of the models was upgraded with what's quoted as 'a slightly upgraded motor'. It might be the 121A...
The 121A has the motor from the PD-44X series and is a significant upgrade as one of the few motors with the load free spindle. What that did was reduce the platter weight by roughly 80% (Using magnets) and allow the quartz lock corrections to be more gentle/subtle. This did a lot for reduction of cogging and gave the turntable a very natural sound rather than forcing a lock or die type of quartz lock mechanism.
I don't think it was ever released outside of Japan - and isn't the same as the S or U (I'm not 100% sure on this though) the load free motor was made my Hitachi (I think) and a similar design was used in the Kenwood L-07D.