As I'm waiting for the Bifrost Uber to come, I've tested the amp using the following sources:   - Laptop Acer Extensa with onboard Realtek HD Audio - Netbook Packard Bell with onboard Realtek HD Audio (but slightly newer codec) - old portable Sony Walkman CD Player - Dell Venue 7 tablet  ...

I've found a specification sheet for my audio chip. Could any of you please check the page no. 69?   http://www.hardwaresecrets.com/datasheets/ALC268_Sound.pdf

I'd like to know at which volume levels do you guys listen to music with Valhalla 2 using HD-650. I've been told that 10 o'clock should be enough power to kill my ears, but mine doesn't do that even at 3 o'clock when on stock tubes and high gain. After plugging in the Lyr tubes things got a bit...

No, everything I have is:     headphone out -> 3.5 jack to RCA -> Valhalla 2

I don't know. But just to clarify - we are both talking about the dot indicator on the front of the pot, not the "screw" indicator on the side.

A little update on my Valhalla 2 volume problem.   As Nick T. from Schiit Tech just told me, "There is no harm running the Valhalla 2 up to full volume if necessary." I'm no longer concerned about this. It works. Plus I put the Lyr tubes in there - they seem to glow brighter than the old ones...

Thank you all for the feedback.   I will definitely get a DAC and see what happens. I also tried another solution - tablet + Valhalla - which comparing to my notebook's head-out + Valhalla is much more quiet and totally lacks the bass (like literally there's no bass at all, whereas the...

Hi guys,   Two months ago I got myself HD650s. I drive them through the Schiit Valhalla 2 amp, yet I don't have a dedicated DAC in my setup. Currently my only source is this ****ty Realtek integrated card (headphone out only) on my quite old and cheap notebook. I fixed the clamping force...