Initial impressions with the original pads/no inner foam were mixed. Great highs & details with decent mids (I’m powering them with a Cayin C5).
But even with the bass boost turned on, the bass was rather lacking. There was also some vibration with the bass boosted... It later turned out the drivers were slightly loose in the housing.
Taking the original pads off revealed the inside was quite dirty with bits of foam, and the drivers were somewhat loose in the housings. Simply pressing in on the outer edges of the drivers reseated them securely (More than likely this is why I noted vibrations with the bass boost on; as the vibration is now completely gone).
The 041299 pads kit came with a set of white paper disks... I suppose they are supposed to act as filters for higher frequencies. I suspect this because with the paper disks installed the highs became slightly less detailed. I tried the paper disk installed both under & above the foam; the effect was the same.
I prefer the sound of the hd560's without the paper disk. Note that my HD560's did not originally have the paper disk installed when I received them... I'm not sure if they came like this from the factory or if the previous owners removed them. Here is a picture of the white disks:
With the new pads & foam the sound has changed for the better. The open sound of the highs is fantastic. The bass is rolled off... but with minor EQ I got them to sound quite good. Even EQ'ed the bass still doesn't have a lot of impact, but it's a nice tight sounding bass... so all is well. The mids are very good. The soundstage is narrow, but the separation is very good.
Notice how much the original pads have shrunk:
So far I'm really liking these HD560's. They blow my cheap HD555's out of the water! They also rival my old HD600's. The lower mids & wider soundstage of the HD600's are better; but the highs/upper mids & separation of the HD560 are just on another level. They are really good!
Edited by Aliceinbassland - 11/9/15 at 6:00pm