Differences between Technics SP10 and SP25?

Raul, this spec sheet for (virtually) all Technics decks shows the specs for the SP10 MK2 exactly the same as the SL-12XXMK2, the SP-25, and the SP-15.

http://www.vintagetechnics.info/turntables.htm

Also, the owners manual for the SP-10MK2 verifies those specs, with a slight difference in rumble-however, since those measurements were attained using different parameters, it's difficult to quantify.

http://www.vinylengine.com/library/technics.shtml

As for:

John think on this: do you think that the SP10MK2 cost 130% more than the SP25 only because an external power supply?, no way!

you'll have to point out exactly where I said that, because I can't seem to find it. It's certainly not what I believe and know-besides the external PS, the SP-10 series has a much larger stator and ring magnet, higher quality circuitry, a heavier platter, and a much more robust build quality in deference to it's market, which was radio stations and professional use.

Dear John: THis is what I posted: +++++ " ( USA magazines and even the English manual is a little different )" +++++

that's why the differences but I have to tell you that this not only happen with Technics but with Denon and other Japanese audio items, the Japanese manual is different. Normaly I go with the source or the nearer to the source and the Japanese Audio Bible IMHO is very good about.

Anyway this is not the main thread's subject.

Regards and enjoy the music.
Raul.

Tube540, those tt's are quite different from each other, though technical parameters have very little to do with that. In my opinion (and I tried all of them) the main issue is weight, and this can be easily changed using DIY plinth. Also, considering that all these models are out of production for many years now it is important to understand where they are coming from. I doubt you want to buy a table that has been working 24/7/365 for the past 10 years or more.

There was an SP-10 Mk II that recently traded cheaply on ebay, that reportedly worked except for a failed external power supply. Anybody know if its external PS is a repairable or replaceable item?

Dear Dgarretson: Replaceable item if you find another second hand and repairable for any good technician even you could find the service manual here: www.vinylengine.com

Regards and enjoy the music.
Raul.