HEDDphone要来了，你们准备好了吗？
HEDDphone要来了，你们准备好了吗？ {:1_108:}HEDD (Heinz Electrodynamic Design) from Berlin, Germany, has been designing professional monitors for 30 years and now they have decided to apply their knowledge on Air Motion Transformer (AMT) tweeters to headphones. An AMT is an electrodynamic transducer that is able to move air faster than common voice coil, magnetostatic (planar) or electrostatic system. By utilizing a folded diaphragm, it is able to squeeze out air four times faster than with a traditional piston-like movement. To adapt AMT technology to headphones, HEDD has developed a new geometry on their AMT so that it is able to produce the full frequency range of 10Hz – 40kHz. The HEDDphone is an open over-ear design and its specifications are; Efficiency: 90 dB SPL for 1 mW, Impedance: 38 ohms, Connector: Mini XLR.The photos above show the prototype HEDDphone. The final product should look similar, be a little lighter and should be out around October. The HEDDphone is solidly built, its body made via 3D printing. At the show, this headphone was driven by an RME DAC headphone output but of course, it would benefit from an amp with more drive. According to HEDD, the HEDDphone scales well with better amplification. It would be interesting to see what the production version is like when it comes out later this year. Price is around 1600 – 1700 euro.
我怎么记得ERGO早几年就出过AMT单元的耳机了……风评一般 Efficiency: 90 dB SPL for 1 mW, Impedance: 38 ohms 没准备好，别来hhh
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