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Join Date: Nov 2008
Location: State of Confusion - 98823
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From the Audyssey website:
Audyssey DSX™ adds content for new wide and height channels to the standard 5.1 surround configuration. An algorithm was created to extract the information needed for these additional channels from the original stereo or 5.1 surround content. In addition, a blending of surround and front channels is performed to render a seamless and more enveloping soundstage.
FWIW both models you are considering have Audyssey DSX. The 3313 has preamp out jacks. If you are considering an external amp or two then the 3313 is the only one to consider. Other than the preamp outs on the 3313 they are very close to being clones. They both use Audyssey XT which IMO is more important than DSX.
Yamaha CX-A5000 - VTA ST-120 (6550 output tubes) - Salk Song Towers - Oppo 103
Vinyl Room: Emotiva PT-100 - Acurus A100 amp - Acoustic Research AR-2ax - Marantz TT42 - Oppo 103
Twas a woman who drove me to drink. I never had the decency to write and thank her ~ WC Fields