This article appeared in the JAES so one assumes that it was properly peer reviewed before publication.

http://bruce.coppola.name/audio/cableInteractions.pdf

The second piece takes a more negative view, but is consistent with the above (note the magnitude of the differences measured in the first paper).

http://bruce.coppola.name/audio/TenAudioLies.pdf

Since both are PDF files it may be easier to download them and read them off-line.