| Re: Upgrade recommendations from "All in one" System to AV receiver
The speakers from the 870 are actually pretty damned good for an all in one; a friend used to have one of these and they sounded excellent. I still have the PDF manual (downloaded it for him a while back), they are a mix of 6 and 4 ohm speakers (6 ohm on the fronts, 4 for the rest), so you'll need a receiver capable of running at 4 ohms. (The Onkyo 607 will do this just fine). They have a reasonable dynamic range (the fronts go down to 92Hz, the surrounds 89Hz, and the centre 110Hz) and an active subwoofer. I strongly suggest you ignore the naysayers and try out an amp with your existing speakers first, and plan to upgrade them in future if you feel you should.
-simon
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