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Sennheiser HDVD800 Headphone Amplifier - Page 133

post #1981 of 2869
Quote:
Originally Posted by ALRAINBOW View Post

I do not know the shiit DAC. But to my ears with the ap1/pp. It is a really good pairing. .

I hope someone here has one besides me so they can say just how good it sounded .

Al

I'm very intrigued. I want to keep my HDVD 800 on it's own and not have to upgrade it's dac if it's not necessary. It's very good news to me if the AP1/2 can make my HDVD 800 sound better, as i want to get every last bit of sound quality out of it. Can you tell me what the difference is between the AP1 and the AP2? Thanks buddy.

post #1982 of 2869
Your welcome. I wish it did dsd or 24/192 though the spidif .

Al
post #1983 of 2869
Quote:
Originally Posted by EvenR View Post

I think i experienced a bit of the same grainy or clicky sound from the hd800+hdvd800+ch800s the first time around. Lowering the gain to the lowest setting behind the hdvd800 made it easier to listen to for longer periods of time for me. It sounds a bit more balanced and laid back somehow. The ch800s cable can make the hd800's almost too clear and analytical. Overall though i think it just takes a while to get fully used to the 800's and the amount of sound they portray.
The gain doesn't change the digital inputs. How did this change the sound?
post #1984 of 2869
^ my thought also
I was told the gain adjustment on the rear is only for analogue RCA input
post #1985 of 2869

I don't know how since i'm not very experienced in this. I was just told to keep it at the lowest gain for lower noise and distortion and it seems to have an improvement however slight. You could also be right and it's a placebo. I'll take it anyhow. :beyersmile:


Edited by EvenR - 3/8/14 at 4:42am
post #1986 of 2869
The adjustment on the back is for gain of analog input only. .

I tried it to confirm.

Al
post #1987 of 2869
Quote:
Originally Posted by EvenR View Post

I don't know how since i'm not very experienced in this. I was just told to keep it at the lowest gain for lower noise and distortion and it seems to have an improvement however slight. You could also be right and it's a placebo. I'll take it anyhow. beyersmile.png
Placebo is a powerful thing indeed. Watched a brilliant episode of Horizon (BBC programme) the other week and it was looking at how placebo effects were actually improving athletes performance and curing back pain amongst other things! This one doctor was doing 'double blind' operations (basically to keep it non bias he didn't know until ready to implant in the back that it was the patient chosen for placebo) on people with this back condition and some of the patients that had the 'placebo' operation recovered better than those that had the work done!!. If you can get it where you are it's well worth a watch.
post #1988 of 2869
post #1989 of 2869

Hey ALRAINBOW in case i buy the Audiophilio2+Pure power, would there be any reason to get a better power and usb cable for my hdvd 800? I've been looking at Supra's usb and power cable.

post #1990 of 2869
No save your money. The ap comes with a wire world ultra 7 it's purple . It sounds great. I also have other USB cables to like the audio quest diamond it makes no change. . If and when you get your AP get the PP with it as well. And then post your results so others benefit as well. The change was truly amazing. You could buy one used people do sell them .

Any dac you have will be greatly improved .

Al
post #1991 of 2869

Thanks a lot. I will definitely buy it with the pure power. 

 

I've been looking for them on here, but it seems no one have them for sale at the moment, so i'm waiting it out for a bit.

 

I plan on using it with the hdvd 800's dac. I hope that can justify the purchase. 

post #1992 of 2869

I'm not sure I understand this Audiophilio concept.

 

My opinion is that the analog output stage of the DAC is responsible for whatever SQ differences you perceive from one DAC to another. And even then it's going to be extremely small differences since it's line-level to an amplifier (which is what actually drives the headphones).

 

So if you own a good DAC with asynchronous USB, TOSLINK, and Coax inputs, a Sabre/Wolfson/AD chip, and a well designed analog output stage, why buy a USB to SPDIF converter?

 

I find it difficult to believe that this magic box improves (or even changes) SQ. Maybe I'm missing something?

post #1993 of 2869
Wow I am sorry you do not understand. The concept .

All dacs sound different and as it could be the analog it is not alone in that. . In fact the analog stage has little to do with the sound of dacs.
Most dacs sound different due to chips , implementation. And last is jitter. This is why the device I am explaining to you does. It lowers the jitter. What I think you should do is read up up,on the topic and there website. . That MAGIC box you refer to. Would make your head spin if you heard just how much better your music would sound.

Al
post #1994 of 2869
Are we really still concerned with jitter in 2014? It's not an issue anymore. USB interfaces are transparent now and actually technically better than optical.
post #1995 of 2869
Even the worst case jitter measurements I've seen on any dac measurement over the last few years is a non issue , it's well below the noise floor and my dog wouldn't notice it.
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