After 1-2 weeks of listening back and forth between the VC and RAD-0 using Gel3n (1-tube mode on VC and 2-tube mode with RAD-0), maybe it is because that Gel3n pairs better with planar? While VC is excellent on Gel3n, I find RAD-0 closer to my preference. Loss a bit of comfort and fun factor (the slam), but RAD-0 sounded more refine with greater treble and bass extension, and especially the vocal is more lush and stand out more. Listening to VC, I tend to focus to those instruments, e.g. wow the electric guitar sounds so good, the bass drum, snare, cymbals, they are so realistic, the accompanying violin is just right beside you, there's a cohesiveness throughout the music, together with the vocalist.
Listening to RAD-0 gave me a different presentation, the vocal is the main spotlight, and the rest falls in their place to compliment the vocal. Both of them are almost on par in detail retrieval with different presentation. With a heavy heart I had let go the VC (perhaps hoping to come back with some stabilized set one day), and to fund for the next tier cans.
I've seen Gel3n paired with 1266 with good result, not sure if there's anyone tried the Susvara on Gel3n? Based on the gut feeling Gel3n should have enough juice, but not too sure about the synergy between the two.
