james444
Headphoneus Supremus
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- Aug 25, 2004
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I see.
Let me clarify what I'm thinking:
When I think of neutral I only think of the technical definition, which is a flat frequency response from top to bottom. FLAT without dips or peaks. This is easy to accomplish with speakers and easy to measure. Something a mastering engineer will reference while mixing in a studio using studio monitors. This has been nearly impossible for headphone manufacterers given the close distance of the ears and different wave lengths at different frequencies. You have to play by ear and experience to know what is neutral and what is not
But yeah, everyone on head-fi has their own personal made up definition of neutral which is confusing since there is actually a technical definition for it.
I think transparency and detail retrieval is a matter of driver speed. Thus companies try to decrease the mass of the driver and increase the magnetic flux so that the drivers refresh faster. Sennheiser put a hole in the middle of their driver in order to increase the speed (which was already done by speaker manufacterers). Beyer has their Tesla, and planars use heavy magnets on both sides, etc, etc.
I think driver rigidity is where clarity comes in, thus companies coating surfaces of diaphrams with titanium or using different structures etc, like dual structure or seven layer diaphrams etc, etc. The more the diaphram can stay in shape while moving quickly the better clarity you get.
People will pay more for more driver speed (transparency/detail retrieval). This make sense because the faster the driver refresh the more informaiton it can retrieve and thus using huge quality files like DSD actually has a point
To the point the K3003 has substantially more driver speed than the SE846, it retrieves more information at all frequencies, even the bass which is surprising given that it's going up against armatuers.
Anyway this is my attempt to clarify my view
I see you're coming from speakers, but I don't think that speed is that much of a concern with IEM drivers, which have very little mass. BAs are ever so often even too fast for their own good and have trouble rendering lifelike bass decay. Some custom manufacturers even add a delayed BA-woofer to make up for that.
High rigidity / coating is used to reduce distortion and retain clarity, I concur with that. But I don't share your pov regarding speed. Imo detail is first and foremost a result of sound signature, i.e. a reasonably linear response that avoids masking.
As for neutral, you can measure headphones with tiny probe mikes at eardrum level, but even the measurements for the same headphone vary between different listeners. That's why I said neutral is a moving target.