Thinking of investing in either Yamaha AS300 or Luxman l509X.


Hello All... 
I am thinking of buying  my next amp and decided to seriously consider these two.Yamaha AS300 or Luxman L509X..
Does any one have any thoughts regarding how they compare?
My speakers are Sopra 2. My listening room is medium size, with minimal treatment (12x32x9 ceilings). I tend to listen about 10 feet from my speakers. I like to listen to Rock  (50%) Jazz (25%) and other vocals such as Alison Krauss , Pat Barber,Tony Bennet, Michael Buble, etc. I listen to vinyl and streaming thru Bluos. Probably 70% streaming and 30 vinyl.

My tendency is to upgrade my  equipment every couple of years. So resale of the amp is important.  I am buying used and have found a couple of deals where the amps are priced within 10% of each other.

Your thoughts are appreciated. Thank you.




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