upgrading to class D amp.....


Hello fellow music lovers.
I am looking to upgrade my amplifier to a class D or digital amplifier, due to the fact that my electric bill is getting out of hand, since I work from home three days a week, and equipment is on all day; being fairly ecologically conscious, i am tired of the my amp being so inefficient in energy use.
So I decided to take the plunge and look for class D or digital amp.
Why: energy efficient, size, and from what I have read, manufacturers have made leaps and bound in quality.
Budget: up to $ 2000 , used or new.
speakers : focal 836/91db efficient music: classic, blues, some rock.
Looking forward to opinions and advice.
Thank you.



rockanroller
I say check out Red Dragon Audio's Class D amp offerings. I have the Red Dragon M1000 Mk1 monoblocks and I couldn't be happier. With my Ohm MicroWalsh Short SEs the M1000s made the music from them more lively than when I was using a Hafler 9505 or a Jolida 502P w/ Tung Sol KT150 power tubes. Even with a pair of ELAC Debut B6 speakers the music sounded more alive with the M1000 monos vs the other amps I have. The great thing too is the monoblocks only consume about 35 watts total vs the 300 watts the Jolida consumed.
I purchased the Wyred for Sound SX1000 mono block amps which we find to be a very compelling and solid choice. They have performed flawlessly for years. Fantastic liquid sound that I have only heard elsewhere in much more expensive equipment. We have their STP Preamp and DAC-2 DSD. Not the cheapest solution but IMHO a very compelling one even at double the present cost of admission. Their integrated amplifiers are really nice too. Hard to go wrong with any product they build.

Thank you for all the comments.

The next question is: does the preamp has to be of a certain kind, or can I use my vintage/rebuilt preamp/Sony TA77ES?

Thank you for all the info.