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The back panel features a typically generous selection of sockets, providing all the inputs and outputs you need but leaving plenty spare for expanding systems. Most significantly, there are three HDMI inputs and two outputs, all of which are v1.3 and therefore support features like Deep Colour and HD audio bitstream transfer. You can use the unit as an HDMI switcher, and thanks to the I-Chips Technology 10-bit video processor you can even upscale connected video sources to 1080p.
Elsewhere there are three component video inputs and two outputs; four S-video/composite inputs and two outputs; five digital audio inputs (three optical, two coaxial) and one optical output (for Zone B or recording purposes); 7.1-channel analogue inputs and pre-outs, six analogue stereo inputs and four outputs, plus DC trigger, flasher input and remote control terminals. Furthermore, the surround back speaker terminals can be used for a separate zone, and you'll also find separate Zone A analogue outputs.
We've touched upon the main features, but there's plenty more to get your teeth into. The Marantz Dynamic Audio eXpander (or M-DAX to you and me) boosts the quality of digital music, while there's a range of four Acoustic EQ modes that work in tandem with Audyssey's automatic settings. You'll also find support for HDCD, Dolby Headphone, Dolby Virtual Speaker and Neural-THX Surround, plus video conversion capabilities.
Operating the SR6003 is a piece of cake, with the crisply-presented, responsive on-screen menus making it simple to access MP3 files, adjust audio settings or assign the various inputs. For the latter purpose, the unit uses a table to show which input is assigned to each source, and this common sense approach is prevalent across the entire menu system.
Similarly the remote feels intuitive and is surprisingly slender considering the amount of functions it has to control. We also like the backlight (which illuminates every button) and small readout at the top that indicates the selected source, but on the downside the buttons are a bit cluttered and confusingly labelled.
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