The MC7 is the better preamp. They both are very nice. They both have nice phono stages, which is the reason to consider them.
Is the MC7 worth double? Considering that they do not appear very often for sale, that depends on you. The MC7 sold for about 50% more when they were new.
The MC-7 is the more neutral. The MC8 is slightly to the warm side.
Is the MC7 worth double? Considering that they do not appear very often for sale, that depends on you. The MC7 sold for about 50% more when they were new.
The MC-7 is the more neutral. The MC8 is slightly to the warm side.