Usher R1.5 should I buy?


Hello all, I thought this is one forum where I should ask and take the approval of all the experienced souls here before I pull the trigger today or next week satday. The Question is should I buy the Usher R1.5 , is it as good as the press says or the reviews here or around the web suggests.As for speakers I have a Mission MX5 for now with Denon PMA1500AE /DCD1500AE/TU1500AE as amp CD and tuner with Chord cables. This is the cheapest power amp I can afford at the moment , that too class A till some watts. If anyone has any encounter with this amp please advise me. I listen to only RocknRoll and very little Jazz ( read Norah Jones , Diana Krall) buy it's always Queen and Ledzep , Floyd GnR, CCR,GFR,Lamb of God Korn , Blue Man Group, etc etc. I'm a SACD enthusiast,s o no vinyl in the mix. Love warm rich lush and not forward sounding gear. Please advise if the Usher is good enough as a power amp.
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This amp is fabulous once mated to a proper Tube Pre Amplifier. Will uproot a $6000  McIntosh in Dynamics and Heft.
Thoughts on pairing this amp with a Modwright pre-amp ?  I'm thinking of going that route as i currently have a Modwright pre.
Just bought a pre owned R1.5 and listening to it for the first time.  My speakers are USHER 8571 II and thy were a bitch to drive. So far so much better with the new amp. I am using my old Rogue Audio Pharaoh as my pre at the moment but thinking of a tube pre...  any suggestions out there???
Your Usher has a fet inputs at 61kohm loading with a fair amount of gain.

I would suggest a low gain preamp like a Schiit Freya for $699, bonus is you can use it as straight passive, a tube, or a solid state (to suit your moods? maybe) and it has a trial period.

http://schiit.com/products/freya

Cheers George
hello everyone and forgive my english!
I would also like the electric diagram of usher r 1.5
I am in rome and my mail is: fiorillo.stani@gmail.com
thank you

Stani