Switching between gains mean switching between amp circuits, that's the reason you hear differences more over on volume change. It's depend on the quality of design how is noticeable the change on sound by switch gain, but there is always some change.
Btw I had become a Planar (Planer??) owner two weeks ago, influenced mainly of your impressions, know you from Era1 topic, and I share your opinions (hearings) with that phones.
And yes, I'm not disappointed by the Planar and you as well
, I got that in sound I expected.
Roll back this topic I can see how intensive the modding on this phone.
I think it's need just burn in, and that's it.
But I don't like its cable. Its springy, noisy design annoys me, and because its special wiring, my upgrade cables aren't compatible with.
Anyone of you use any other cable with, or know compatible cables?