You probably already know this, but, just in case you don't or just forgot; I believe the Krell KSA 80 was designed to be "progamable". The Krell KSA 80 can be programed by Krell to be a KMA 160, now all you need is another Krell KSA 80 to have one pair of my all time favorite amps.
krell ksa 80 vs. krell ksa100s
thanks for any input you may give. i have b&w 801 series 3 speakers and currently using the ksa 80 amp. i will be trying out a ksa 100s in the near future. wanted to know if there is anyone out there that is familiar with the 2 amps and i am looking for any thoughts on their performace/opinions with the b&w 801 martrix3. thanks, ralph