In researching the SFD-2 MKII we found one of the items that may make the unit sound so great (in addition to the SE+ mods) is it contains 2 of the UltraAnalog 20400A DAC chips run in a fully balanced configuration. These were the most expensive and sophisticated R2R Dac chips of their time and...
For the Amber 3 listening was the source PCM? Also, I see Golum has a GG, so from that perspective how does the Amber 3 compare to the GG2 on PCM? I believe they are both using the new 53 engine, so that is common among them. I know the GG2 has the DHT going for it and the ability to swap...
My buddy got back to me and he didn't want me to list everything without checking with Parts Connexion, but it appears the upgrade consisted of numerous diodes, resistors, caps, silver wiring, and a high quality fuse.
This list likely is not everything, but should give an idea of the updates...
My friends SFD II- Mark II was sent back to Parts Connexion two years ago where they did an SE plus upgrade to the unit. That might be why it sounded so much better than the Amber 2 on PCM.
If that was an Amber 3 that might explain why a friends updated Sonic Frontiers SFD II - Mark II clearly outperforms the Amber 2 on PCM. We kept everything the same in the system and only changed out the DAC.
I must say it was a disappointment since I expected my Amber 2 to clearly beat the...