I am using the PH7 with a ARC Ref 3 preamp and a Dynavector XV1s and sufficient gain is not a problem. I love the PH7 in my system and it has worked exceedingly well for over 300 hours.
A lot of the new moving coils are higher output and will work well. However the Koetsu Platinums' the ZYX Universe and some other great catridges will not work well.
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