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Replaced CDP w/ Transport; Now, Soundstage Changes Dramatically w/each CD. Why?

Here's something I've never encountered. I've borrowed  a Heed DT Transport and am loving the increased resolution, compared to my Jolida JD100 cdp BUT, now the sound-stage expands and contracts, depending upon whichever CD is being played.The effect is very evident-- not subtle. This is really weird. 

System: Heed Transport -> Aqua La Voce II DAC -> Wells Majestic Integrated -> Silverline SR17.5 Monitors.
 
I don't even know where to begin. . . any suggestions? ? ? 

BTW, replacing the Blue Jeans BNC cable with an Empirical Audio BNC cable didn't change anything. 
stuartk
shakira
149 posts
 
Try Jays Transport/Black Cat digital cable 
beautiful combination.
Also an R2R Ladder Dac 
Analog sounds with dynamics .
geoffkait's avatar
geoffkait
23,365 posts
 
Unfortunately the scattered light inside the transport reduces soundstage performance of all CDs. Palpability, stability, localization of musicians, separation of instruments and notes and the dimensions of the expanding, enveloping sphere. The fluttery, wobbly and vibratory nature of the spinning disc doesn’t help at all, making the sound slower, more diffuse and more compressed.
stuartk OP
3,007 posts
 
geoffkait-- you say "transport", but I assume this also applies to CDP's .

geoffkait's avatar
geoffkait
23,365 posts
 
Of course. All CDPs have a transport. The stray laser light fills up the transport compartment like a Christmas tree light. 💡
unreceivedogma's avatar
unreceivedogma
1,000 posts
 
Regarding the fluttering disc: I use a rubber mat designed to be placed on top of the disc when playing. Noticeably improved sound. 
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