Accuphase E-470 or Luxman 590ax II ?


Hi, I have the opportunity to buy either a Accuphase E-470 or Luxman 590ax II for nearly the same price, the speakers are Graham Audio LS 5/9 (bbc speakers) 
The 470 I know is powerful enough , and I been told that the Luxman is much more powerful than the 30 Watts would suggest and should drive the 5/9 without problems in my 18 kvadrad room.
I don’t have a opportunity to try the amps at home.
From a sonic standpoint, which one would you recommend ?
gryphongryph
The Luxman can be a lil to warm with the wrong cables. But I agree that it is less colored than Accuphase... I demoed the 590 and liked it a lot. Very easy to listen to on all sorts of music, audiophile recordings all the way down to crudy recordings sounding at least listenable. then I had an e560. It’s coloration (mainly in the highs) ended up bothering me in the long run. The coloration is eluded to in an old review where the reviewer used Dyn C1 speakers... I’d go Luxman for more of the long term ownership. 
I know that Accuphase keeps replaceable parts a long time after products go out of production, how is it with Luxman? Do they have the same policy?
Am a bit worried about the heat from the 590II
 although I live in a cold climate, our houses are well insulated and it would be a bit annoying if the windows would need to be open every time one wanted to listen to some tunes ;-)
Is the 590II dead quiet in operation, no hum or any hiss trough the speakers when no music I playing ?
It doesn't get THAT hot.  Unless your audio room is a broom closet, you will not notice the heat.  
gryphon, I was concerned about the heat before I bought my 590, it ended up being a non-issue. It gets warm to the touch, and no more than that. And to answer your last question, I just walked over and turned mine on, and left the tuner off. I cranked the volume knob up to about 3 o'clock. Dead quiet, no different than when it's off.
L.
Thanks for the response, nice to know that it is dead quiet, also that the heat is not a problem makes this amp very interesting for me, am right now listening to Greg Brown on my Graham’s with my Advantage S100 amp with Roon and Primare Dac 30 as front end, sounds very nice, I think I prefer the Advantage to the DK Design, but I am sure the 590II would be a big upgrade in sound quality in my system.
Hopefully 30 class A watts are enough to drive the Graham’s.
Thanks for all your help guys.
Will talk with my dealer again when my smaller music/tv room is finished.