If you are running bi-wirable speakers with a single cable to the speaker, a missing jumper will leave either your low frequency or high frequency on the speaker mute. I don't think it would create a situation that would directly affect the 1050, but that speaker will not sound right. I'd get some sort of jumper on there (the metal plate, or even a very short speaker cable in its place).

The 1050 runs pretty hot if you obstruct any of the vents on top -- when I had just over an inch clear above mine, the temperature above the 1050 easily rose to around 110F or so if I remember correctly. With 2+" clear, that dropped to somewhere in the 90's. I'd keep the DVD player elsewhere, just to be on the safe side.

The surrounds have me a bit confused. If you put the 1050 in stereo mode, you are still getting sound in the surrounds? You aren't using the 6-channel analog input, are you?

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