Where did you hear that driver matching is worse with the HD600?
I don't get used to tonal imbalances unfortunately, but if you can do that, it makes things a lot easier!
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Where did you hear that driver matching is worse with the HD600?
I don't get used to tonal imbalances unfortunately, but if you can do that, it makes things a lot easier!

The driver matching on the HD600 is step down, though. If you don't like the tone, I wouldn't recommend switching from the 650 to those. You're stepping down from a warm headphone of high technical specifications to a design that is frankly outdated and was only lauded at one time because of how bad most everything else was on the market. I would wait before getting rid of it, though. Changing the dac and amp will have a big effect on any headphone in terms of resolution and damping. I suspect whatever problems you are having with the 650 could be remedied through changing the upstream gear. You will get used to tonal issues. It's the other stuff that will compel you to start EQing, not actual response imbalances. It sounds contradictory, but in practice I find it is not.
The HD 650's are outdated too. The HD 600's may be outdated but their still really excellent, and very nearly as good as the HD 650's.
Look at the innerfidelity.com measurements. The driver matching is shoddy on the 600 compared to the 650s and many other newer headphones.




