Join Date: Jun 2009
Location: North Shore of central Long Island, NY (Stony Brook)
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From Oppo's 2013 knowledge base:
Understanding the Differences Between the BDP-103 and BDP-105
The OPPO BDP-103 and BDP-105 share the same primary components (including the mainboard, laser, and loader) for superb audio and video playback, and while the BDP-103 and BDP-105 are identical in performance when it comes to audio and video over HDMI, the BDP-105 offers a number of enhancements:
1. The BDP-105 features improved sound quality from its analog audio outputs with its implementation of dual 32-bit ESS Technology digital-to-analog converters, a toroidal power supply, and two sets of dedicated stereo analog outputs (balanced XLR and unbalanced RCA) for 2-channel enthusiasts. Customers who do a great deal of critical music listening using a very high end, analog connected system will benefit most from these additions.
2. The BDP-105 features a headphone amplifier for use with high-quality headphones.
3. The BDP-105 features three additional digital audio inputs: optical, coaxial, and a 2-channel asynchronous USB DAC input.
Furthermore, the BDP-105 is graced with additional aesthetic and ergonomic enhancements that include a larger 4.8 inch tall chassis, sculpted aluminum front panel, touch sensitive front-panel playback controls, availability of an optional rack mount kit, and availability in Black or Silver.
I'm not sure if any of these things will benefit me; I don't know the effect of the dual 32-bit DACs, I don't care about the XLR outputs, I don't use headphones, and I'm not sure how the digital autio inputs will be useful. Looking at the 103 specs, it appears that it does have USB inputs. But, since neither of these are available except on the used market, maybe I should just see what I can find at a reasonable (?) price!