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Just nitpicking, but you may want to specify that these are based on the HD25-1 cans, and not the inferior HD25 SP. Would you say that the extra £100 over the old faithful HD25-1s is justified?
Yeah, I was wondering the exact same thing.
So if you look at the technical data for these new headphones and compare them to the HD25-1 on the Sennheiser website, the only difference I can see is an impedance of 18 ohms instead of 70.
The measurement has changed quite a bit. They sound different and Square response and Impulse response Shows that clearly
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