I have though why noone has made any headphones with very very high impedance. above 1000 ohm.
Why? because amplifiers wont be needed along as they are sensitive enough.
For the target, I can not listen to HD6XX above 300mV, but for high dynamic range recording lets say 500mV is needed, for me a 1200 ohm headphone can have enough volume with normal 2V DAC .
Standard can be increased if it was needed, some DAC have 4V output, with that we could use 2400 ohm in the same way or 1600 ohm for more volume.
So why not? You don't need amps and add no more distortion to the signal.
Ok, for portable gear we can use low impedance, but it could be standard for desktop gear when there is no voltage limit.
Even if its silly, there is not even one headphone like this today.
Why? because amplifiers wont be needed along as they are sensitive enough.
For the target, I can not listen to HD6XX above 300mV, but for high dynamic range recording lets say 500mV is needed, for me a 1200 ohm headphone can have enough volume with normal 2V DAC .
Standard can be increased if it was needed, some DAC have 4V output, with that we could use 2400 ohm in the same way or 1600 ohm for more volume.
So why not? You don't need amps and add no more distortion to the signal.
Ok, for portable gear we can use low impedance, but it could be standard for desktop gear when there is no voltage limit.
Even if its silly, there is not even one headphone like this today.
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