Hello dear friends I have been using for a couple of years 3X AD797BR opamps on my asus xonar essence st (of course on a dual to mono soic adaptor) being gratly satisfied until i tried the opa1622 opamp. I've been greatly impressed! Currently I have only one on the buffer stage keeping my...

Well I ve done some things with my pc source which were made for a quite operation. I removed all the hdds from the inside and used external for music archiving. The operation software is installed in an sdd which is the only drive installed in the pc. Im using a semi passive psu unit with a...

All of your comments are helpful. My question had mostly to do with the level of improvement when using the burs on opamps. You see as I wrote earlier most of the opamp rolling I made had no significant amount of differentiation between the ones I used with an exception f the ad797br were...

The burs on opamps burned or the card? Which card you are using? St, Stx or Stx II?

Thanks for the answer. I have bought up to now some opamps and honestly the differences between them were subtle except of the ad797br which were quite better. The above experience I had has made me a bit suspicious on the amount of improvement in case I buy burson opamps. Your comment is...

Is there a big sonic difference towards the burson opamps?   I'm asking because the cost is great for a triad of them...

Hello to all of you. After reading this thread and through some advices of yours I ended up using for my asus essence st three ad797br dual to mono opamps. They were the best sounding for my taste among the below I bought and tested. Opa2607 Jrc2114 Lme49720na Lme4562 Jrc4556 Ne5532 The...

Could you suggest some reliable e-sellers for opamps please?   I know already the french.

Anyway.... I bought them from a Chinese ebay seller for a very low price... Maybe I should have been more careful. Or not?

I didn't put it the right way... I bought them dual to mono on adapter board. Not the mono dip8 version.

Hello to you all. I purchased a few days ago three AD797BR opamps and installed them on my asus xonar essence st card. To my pleasant suprise they were playing excellent though one of the three didn't work and had to change it with another. To my next suprised one of the two remaining was...

Hello to you all. Are there any news yet about the release date of ifi dac pro?

Hello to you all! Recently. I bought three discrete op amp to upgrade my asus essence st. Well i mounted them on the card double checked if everything is ok and when i sat listen i noticed that while playing there was distorsion. It goes away when i lower the volume of foobar almostt at -60 or...

    Thanks for the link.    I read it and it's obvious that they have invested their time to offer great support. I'll give it a try purple angel and I'll write my impressions. I'm quite new on the Essence ST thing but after a month of experience wit asus xonar drivers I cannot say that they...

I have added a ferrite around the psu supply cable of the card and I noticed a slight improvement. I  suggest you try it.   It can be seen on the bottom of the picture.