Yes it definitely feels like it has the worst clamp of the bunch, and did take quite a bit more time to loosen up than my 600/650. The 600 oddly was just fine out of the box, clamp wasn't bad at all. But the 650 also had a strong clamp.
Oh so it's not just me then, I was confused why the clamp varied so much model to model. Oh so that may just be how they make them then, they adjust the clamp some depending on the model it seems. I think the clamp is a contributing factor to the fatigue I got with the S2. Going to give the HD 650 the same clamp reduction treatment. I think the initial clamp makes the S2 a little too warm sounding, same problem the T1.3 had new (also very clampy when new). But like the T1.3 once you reduce the clamp it becomes much more balanced sounding.
I don't find it hard to drive at all. I've run it on fairly low power amps like a Vali 2, m9xx, and even a Dragonfly Red. All gave it plenty of power. The Dragonfly was definitely straining, but it still sounded very good, albeit slower and less defined than the more powerful amps.
Instead of going all solid state like your picks, get a Schiit Vali3 tube amp and pair it with the S.M.S.L SU-1 dac. The Vali3 will make those Sennheisers SING!
Out of the 3 I suggest avoiding DX3Pro+, it makes everything sound dry. I have it and looking to sell it. I think K7 is best out of the 3 and is the one that is less likely to disappoint. Don't know much about K11 though.
I don't think I want to go for a tube amp without trying it first. Schiit also have very limited availability in Norway.
Appreciate the input. The K7 is almost twice the price of K11, so I'm having a hard time justifying the price difference. The K7 definitely seems more futureproof though.
Could you please mention the brand/seller? I am looking for an aftermarket cable that’s easy to use around the house. Stock is usual Sennheiser stiff and heavy.Guys, wanna know a great combo!?
Amp is called Project Polaris and it pairs perfectly with 660s2 when you choose 32 ohm output R. Amp is very affordable and its made to sound like a tube amp. 660 sounds better from this little buddy than from my 2 lot more expensive amps.
Cable is a nice find, 40 euros from Ali.
This cable doesn't have the greatest outer material (it's a bit rubbery) but the sound quality is solid.
You know that cable just broke. Well, not the cable but the 6,3 connector fell into pieces by itself so I can't recommend the store. It's Lunashops though and they promised to send me a new one for free. We'll see.
