[Kenwood] TS-520 10 Meter Output

[D.Langston]

Thanks for all of the replies about the 10 meter output on the TS-520..

Can anyone shed some light on the difference between the S-2001 final
tubes used in the TS-520 and the S-2001A used in the TS-520S..Are these
the same as the 6146B or the 6146A?

Does anyone have a DK-520 adapter for sale?

Thanks,

Dan
KO4RA