Yogboy:
I believe the Forte 3 is the same as the Forte 1 which is lower rail voltage and pure Class A to 50w. And is only Fet input but BJT (bi-polar) output, Nelson kindly posted the circuit diagram here.
http://www.diyaudio.com/forums/attachments/pass-labs/125282d1233198501-forte-audio-model-3-caps-schematics-forte1.jpg
Cheers George