So you're looking at this as a durability issue? If the LCD-XC was meant for the studio (has metal ring) it wouldn't have wooden cups. I don't know if the "studio durability" need stands up.
Have there been wood splitting issues since the new LCD-3 type connectors?
Was looking at the "with cable" weight. Point still stands, though, the SR-009 weighs as much as the LCD-2 (without fazor) and is overwhelmingly more comfortable.
I haven't had the chance to wear the LCD-X for hours at a time, but the LCD-2 stock (without any comfort mods) is wearable for maybe 45 minutes before I get a headache. The much heavier LCD-X would be an impossibility for me, despite the fact that they are my favorite headphone sound-wise. The fact that Audeze has fans (and this isn't a rare complaint) that can't wear their headphones without major discomfort (or even pain through headaches) for a reasonable amount of time should be a serious issue for them.
For comparison, I can (and have many times) wear my D7000's for 12-15 hour stretches. My issue isn't with headphones, it's with the combination of heavy weight and very poor headband comfort found in the Audeze headphones (especially the leather).