Sennheiser USA - HD 680 - Product Details

What is different between sr-007 and mk2?

Basically differences in impedance are a result of variation in diameters of copper wire used for the moving coil - the core of the headphone system. Less diameter without having a longer wire ends up in higher impedances and less weight for the system of diaphragm and moving coil, what...

Quote: Originally Posted by pompon I have listen both. My friend own the 600 ohms and me the 250 ohms. We prefer both the 250 ohms by far. 250 ohms first is more dynamic, more deep and tight bass. Voices are more involving (more close) and highs are more predominant. 600 ohms...

Here again for different purposes people prefer diverse impedances. Basically differences in impedance are a result of variation in diameters of copper wire used for the moving coil - the core of the headphone system. Less diameter without having a longer wire ends up in higher impedances and...

I have k701, hd650, 2005 dt990(600 ohm) dt990 is most balanced sound and best imaging headphone. k701 lack bass quantity hd650 lack high frequnce and muddy bass. dt990 250ohm has recessed mid and sibilance but 600ohm has good mid and no sibilance.

축하드립니다. 저도 써본 경험으로는 2005 dt990은 번인하는데 시간이 좀 걸리더군요.. 처음에는 저음도 과도하게 많고 중고음에서의 치찰음도 거슬렸지만 번인을 좀 오래 시켰더니 저음도 적당하게 두드려주고 중고음도 섬세하게 표현해주고 해서 재미있게 들었던 것 같네요..

I have k701 and 2006 dt990. These cans are very good but i prefer dt990 to k701.