Where is it? The drum roll... LOL
Just making the point that tubes are really good with orchestral! Guess I should have finished the thought.
But, you know, we have had this discussion already. We had very different experience with the same tube.
Really does depend on the DAC/Amp and headphones.
https://www.head-fi.org/threads/schiit-lyr-tube-rollers.673709/page-930#post-13726712
OK, reading down I see you have the Lyr2. So that and the MJ2 are both limited to 300mA heaters.
So for MJ2/Lyr2 I do like the Ken Rad 6C8G, early '40s, the JAN issue in the original box.
Ridiculous price, if you don't have this one, try it. Seem to be very few left. Need at least 60hrs.
https://www.ebay.com/itm/NOS-Ken-Ra...tes-Dual-Triode-VT-163-Tube-NIB/152968081711?
On the 9 pin options, I like the RFL 6N3P-E, '70s or '80s are fine. The 'I' version is also fine.
https://www.ebay.com/itm/6N3P-E-6CC42-6385-ECC42-tubes-Lot-of-2-pcs-NOS/272861535849?
https://www.ebay.com/itm/Double-Tri...2-2C51-6385-ECC42-China-6N3-1pc/382177894391?
The TS 2C51 was the last 9 pin I tried, big thanks to Bill for that. I think it's an excellent tube. Really fine, in fact.
But for orchestral I do prefer the RFL 6N3P-E, some other genres, the TS 2C51. And the WE 396A.
Others have continued to explore other Russians and Americans, so there may be many more.
You just have to try them with your gear and headphones.
Beyond the 300mA limitation, there are many other options.
I have and use a lot of different tubes, LOL, they seem to get more and more strange. But they sound good!