How much difference between Dynaudio C1 & Contour 1.3SE?


I own a Coutour 1.3SE for a couple of years. I am now considering upgrade plan. Dyna's C1 is one of my planning choice. I used to listen to classical music with the tendency of thick sound (not fat or chaos in bass.). Does anyone has good experience and able to share his knowledge with me? My amp. is Audio Research SP-3 Pre (tube) and the Accuphase A47. Tks in advance.
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I never heard the the 1.3's but did own the C1 and later the C1sig's for about a total of 5 yrs and will say as you move up the Dyn lineup you will hear more layers of resolution. The Esotar2 tweeter is very detailed yet non fatiguing. 
Don’t forget to consider the new Contour 20s or 30s in that price range; they use the Esotar2 tweeter as well
Hi
xti is right.

how much I love the 1.3se, the C1 is much better.
soundstage, mids and bass is like the c1 is 3 times bigger speaker.
you get more detail and texture.
Tweeter is a little soft, i recommand to find the mk2 version if you listen
low levels.
Also not to difficult to drive, but they provide more potential,
and bigger amps gives you even more control.

But i understand why 1.3se is, i tnink, one of the most wanted ;).

Dear Sirs,

Thank you for your kind reply. I have a more concrete image about C1 now. It seems 1.3SE will required more power to drive.  Though I have changed it with Accuphase A-47, but it sounds like a bass is short somewhat....  I am now trying to find an adequate  pre to get better sound, do u have any good idea... Tks.