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发表于 2007-11-12 02:29:54
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some note
The most important thing to note here is that as the left and right channels of the headphone amplifier drive the left and right driver coils, the return current from the drivers gets joined together and travels some distance before returning to the amp's audio ground. This common pathway has some -- possibly significant -- electrical resistance from the wire, solder joints, contact resistance at the plug/jack, and so on, which causes a common signal to appear at the negative terminal of both driver coils. This common signal (a low-level summation of the left and right channel) will generate low level cross talk and distortion in the sound heard on headphones.
Balanced headphones - how they sound.
Balanced operation was able to extract much deeper bass from the K701 without losing grip or control over it.
A second trait of the AKG is its musical transparency and again I found the balanced cans much superior in their ability to retrieve musically relevant details (as opposed to brightly enhancing all details) and position them properly in the musical flow
If you think the HD650 a little ripe at the bottom or lacking dynamic and leading edge emphasis, balanced operation may just be what your doctor ordered
about NX33
"Our mission and philosophy is to design and produce the highest quality audio electronics with the least compromise possible and with no prejudgments on components and circuitry topology, in order to reach the highest real-sound feeling." "We always compare our sound with real life sound. All our team members have direct experience with music, playing instruments, being part of a group or working in recordings, and as 'Company Policy' at least one live concert a week must be on our agenda.[...] Music is our passion."
Rudi's designs have often been called old-fashioned on headphone forums. Obviously, Rudi cares more about results and quality of implementation than design originality for the sake of originality.
By now you probably think that I have spent too much time telling you about the company and not enough about the product. Still, I always find it interesting to learn about a designer' philosophy when it so clearly shapes the company he or she created and how it operates - when the company becomes the vessel to achieve a goal, not an end in itself. |
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发表于 2007-11-8 22:14:16
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发表于 2007-11-12 09:48:51
