Differences between cd transports?

fred, the Oppo by a wide margin (like a torquie V8 it has a lot moe low end drive) versus a sweet turbo 4 cylinder. Keep i mind my 105 has a upgraded LPM (easy to install bought from ebay) PLUS the incoming wire rhodium IEC this makes a big difference too, but the toslink was hamstringing it.

According to Oppo tech the 105 cannot output SACD, unless your dac has I2Bus input. If not, SACD has to be played via the 105s direct outs to the amp using the variable volume control

hth.

There are quite a few variables that make comparing transports tricky. The spinning disc should be absolutely level during play. When switching transports connecting cables require settling time, maybe a day or two, before judgements regarding sound quality are made. Connecting cables are directional, if in the wrong direction the sound will suffer. Some transports may or may not handle scattered background laser light better than others.

Geoff, yes balancing is critical, especially when using your springs

@geoffkait Cables are directional. LOL. Settling time. I'm in the wrong business but of course I can't bring myself to that level of detachment from reality. 

Not the be argumentative but level is critical with or without springs. Obviously springs make it easier to balance and level. I actually distinguish between balance and level, now that you bring it up since you can balance a thing on springs yet not be level. Depends on the underlying surface which is oft not level. Furthermore, the CD level during play is oft times not (rpt not) the same level as the chassis or the tray. Obtaining level of the tray can be a little bit tricky. Finally, Out of level Condition is amplified by out of round CDs.