Hissing sound coming from tweeters

No worries Herman, I appreciate the suggestions and didn't take it as criticism. What kind of amps would you recommend to go with highly sensitive speakers? I probably couldn't go wrong with an Ayre power amp to match my pre-amp, but I'm open to other suggestions.

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Since you asked......

An SET amp is in my opinion the only amp to pair with them. Bottlehead is a great value if you can solder and follow directions, and you can easily learn to solder. There is a used pair of monoblocks for sale here now (no affiliation)

http://www.audiogon.com/cgi-bin/cls.pl?ampstube&1327718278&/Bottlehead-Paraglow-II-2A3-cus

http://www.bottlehead.com/store.php?crn=44

If it were me I would have put my money in a nice amp first and used a cheap passive pre until I could afford a better preamp. You just might find you really don't need an active preamp.

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I was originally using a Marantz 2270 as a pre-amp, but began having some serious problems with it after it was "refurbished". I demoed a couple pre-amps, one was the Ayre K-5xe and the other was an NAD C326BEE. The difference between the two was night and day so I picked up the Ayre on Audiogon (the hi-fi store wanted $2,800 + 9.8% sales tax for a demo model).

I would have to hear the Bottleheads and see if I like them. I have always liked the sound of Mcintosh amps, but they are out of my price range for now.

I would say you are one lucky 25 year old. The Ayre is a great piece to build the system around. I would move slowly. Start by trying to find what other RF7II users are using. There are lots of good, used amps out there from people like Ayre, Bryston, Classe, Edge, Naim, Parasound, Pass Labs, Plinius etc. Power is not the main issue here. Tubes are certainly possible, depending on how much you use the system for home theater and TV. You can probably sell your Emotiva amps pretty easily. Do your research. You have a great base to build on. Take your time. Good luck.

The RF7 II's and the Ayre are my favorite components of my system by far. I'm definitely lucky to have a setup like this. I bought the Ayre used, that's the only way I could afford it.

@josefm: I tried what you suggested by removing the interconnects. The hiss isn't as prominent, but it is still there. I think my new XLR cables may have enhanced the hiss slightly. Ayre states on their website that the maximum gain on the preamp is 4db with unbalanced outputs and 10db with balanced outputs. I guess there isn't a whole lot I can do about it until I upgrade the mono blocks someday. I need to get a bigger place so I can sit further back from the speakers. That way I probably won't even notice.