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Sennheiser HDVD800 Headphone Amplifier - Page 159

post #2371 of 2381
Quote:
Originally Posted by akhyar View Post
 

 

You can bypass the internal DAC of HDVD800 by connecting your external DAC through the HDVD800 analogue inputs.

Brilliant - Thanks.

post #2372 of 2381
Quote:
Originally Posted by kerrys30 View Post
 

is the main difference between HDVD800 and HDVD600 that 800 has a DAC function?  Can the 800 be run as just an amp without using the DAC?  Thanks.

 

I get the HDVD800 = dac + amp and HDVA600 = amp only thing. Certainly the amp specs look identical, but I wonder why '800' vs '600'? Is that just a marketing ploy to make people think the HDVD800 is somehow 'better' than the HDVA600? or is there really some other difference, eg HDVD800 more suited to HD800 cans and HDVA600 more suited to HD600/650's??

post #2373 of 2381
I own the hd800 and hdvd 800. The DAC is ok but the amp is very neutral I use it all the time.
For me the amps are the same but to some there must be a difrence. I am of the camp they are the same amp
post #2374 of 2381

Tried some IEM-s recently with the HDVA600, to my surprise they sounded brighter and more balanced than i expected.

I was comparing to Yulong DA8 hp out, which is real low impedance, and was decent with HE400.

With the IEMs i tried (TDK BA200 and IE800), the HDVA was clearly better, more resolving and better defined, even in bass.

post #2375 of 2381

Much to my surprise, the HDVA600 with its 43ohm output impedance actually drives the 36ohm AKG K812 very well. I've tried the SRH1540 before with the Senn amp, and it didn't end so well.

post #2376 of 2381
Quote:
Originally Posted by yates7592 View Post
 

 

I get the HDVD800 = dac + amp and HDVA600 = amp only thing. Certainly the amp specs look identical, but I wonder why '800' vs '600'? Is that just a marketing ploy to make people think the HDVD800 is somehow 'better' than the HDVA600? or is there really some other difference, eg HDVD800 more suited to HD800 cans and HDVA600 more suited to HD600/650's??

It is the same amplifier. I think at some point the chief engineer at Sennheiser somewhere said that the HDVA600 is every bit the same, minus the dac and it has slightly better single ended input side than HDVD800.

post #2377 of 2381
Generally the rule is 4 to one. But in truth it's more individuel . The reason for the rule is for damping in the bass region.
Now with iem,s it's much more important because of the cross over inside them. This plays hell with them. You liking the,more could mean the sound is more to your liking. I first noticed the change with ciems of low imp as jerry Harvey audio . It played hell with the DSd amp combo from idap. It had a output imp of 42 or so. Hope this helps. In general if you like it then it's fine .
Al
post #2378 of 2381
Also in balance mode it is only 22 ohms. .
Al
post #2379 of 2381
Quote:
Originally Posted by ALRAINBOW View Post

Also in balance mode it is only 22 ohms. .
Al

 

My HD800 is running balanced but the AKG is running SE, so the SE-out of the HDVA600 should be 43 ohms, right?

post #2380 of 2381
Yes that is correct
post #2381 of 2381
Quote:
Originally Posted by ALRAINBOW View Post

Also in balance mode it is only 22 ohms. .
Al

20 ohms per phase, so 40 ohms per channel.
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