Depends on your source & amp. The Threshold FET 10E is truly balanced and has a separate PS, the Forte is the lesser line of electronics and of course is not as good.
Currently using an emotiva erc1 CD player through a music hall 25.3 DAC to the Forte F44 pre. The power map is a threshold model S 200. The speakers are MA RX8's. To me it sounds good but always looking for more.
I can't comment on the Forte having never owned one. But I did own the Fet two(over thirty years ago)and thought it was very good until I replaced it with a Classe preamp. Like Mofi says it's a lateral move! Now if you want to do a nice upgrade you should get yourself a nice tube preamp. Check out the Quick Silver line stage at $995 new. I have been using that preamp for the last five years and it is better than any solid state preamp I have owned.
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