I got this headphone second hand and have used this headphone for about 4 months now. I've used it with the Stax SRM-T1W, with a CI Audio VDA2/VAC1 as source. I'm really happy with the 4070. It provides the most detailed neutral sound I've heard yet. It truly allows you to hear everything that is in the recording. With some music this is just perfect, mostly with classical and the older generations of pop/rock music. Think Pink Floyd / Roger Waters, Dire Straits, Eric Clapton. With more recent music it can be a bit too revealing, it won't hide the...