DVI Distribution Amp between Macbook and 30" Cinema display

I'm wanting to split my output from my macbook Pro to two different outputs, one of them being a 30" mac cinema display. Currently I have the display port to DVI plugged in the laptop, then the DVI plugged into a 1:2 splitter, then the cinema display and another output plugged in there. This works, but the dist amp is single link so I'm restricted to 1280 resolution.
My question is if anyone has used this setup with a dual link splitter and mac adapter cable and gotten the full resolution on the 30" display. I don't really see any reason it wouldn't work, but before I drop $300 into the splitter, I wanted to see if anyone can confirm this setup would or would not work.

That's still not going to work. The 30" ACD is fairly limited in this way. It doesn't have a normal scaler like almost every other monitor and can only display two resolutions, namely 2560 x 1600 when running dual-link and 1280 x 800 from single link. When it does display formats between those two resolutions, it is actually displaying at full 2560 x 1600 (dual-link) and the scaling is happening within the computer, not the monitor. So you can't use a splitter, not even a dual-link one, for what you want to do.
Have you considered running the TV from one of those USB video adapters? What kind of content do you plan to have on the TV? As long as it isn't something like video, the USB solution might work for you.

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