Wil it be posoble to hook up a receiver Marantz SR7300 to 770 or do I have to bay a pre/pro

Yes, you can use the Marantz with a Model 770. The Marantz SR7300 has pre-amp outputs, which you would connect to the 770's inputs.

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gonk -- Saloon Links | Pre/Pro Comparison Chart | 950 Review

And in fact, that's an excellent way to get your feet wet in separates. By upgrading your amplifier to a separate one of high quality (such as the 770), you'll make a solid improvement to your system without having to buy a whole ton of components initially.

Later, you could, say, get a separate tuner. Then you'd only be using the pre-amp and surround processing of your receiever.

Finally, you could buy a surround processor and sell the receiver.

Jeff

Thanks for the advice.I wil do just that.

Be sure to let us know how it works out for you. The Model 770 is one heck of a powerhouse amp. You're going to love it!

Jeff