Studio Signal Flow advice 01


I am in the midst of building a new editing studio and am new to high end audio. I currently have a pair of B&W 804s driven by a Bryston 4B NRB. Which so far, to my naive ears, I'm pretty blown away by. My question is am I destroying the benefits of decent equipment by my signal flow. All the audio sources for the room feed into a Mackie Mixer with the mains feeding a pair of Genelec near field powered speakers and the sub going to the Bryston and 804's. Am I destroying the signal by going through a cheap mixer sub output? I am considering going from the mixer sub out to a tube pre amp before going to the Bryston. Will the signal be cleaned up with this signal flow. I don't know how to avoid the mixer. Thanks for any input.
nathanbyrne
Just about anything made by ARC is a good way to go. I've owned an SP9, and an SP14 and loved them both. Wonderfully transparent after I upgraded the power cord(installed IEC connectors to both), and plugged in some NOS Siemens E188CC tubes(I'd use CCa's, if I had to do it over). The SP14 has a "bypass" switch that eliminates the balance and mode controls from the signal path for even more transparency.
I forgot to mention(but- you probably already know): ARC will sell you a rack mount faceplate for anything they build(pretty cheap too).