Op-Amps: NE5532 vs OPA2134 vs. Muses 8920 (02) + ESSabre-Link (+DietPi 6.5)

so, 😉
got yesterday my „OPA2134“ and had finally the time to check it out 😉

okay, fired up my Raspberry with the ES9028Q2M and thought first:“ ? why sound it so „distorted“ ?“ (my main „rig“ is at present->Skysong/Singxer USB-bridge (golden Crystek CCHD957s) + unmodified ES9038Q2M (Blue)..
Changed then the NE5532 to the OPA2134 and the result ?

Surprisingly good !! 😉

bought a few month ago some OPA2604; they were really, really, really bad (in any case on these Sabre-boards)..

This OPA2134 is very lively, airy, is more about middle-highs and really less „distorted“..
you can use them without any problems/thoughts to upgrade your NE5332..!

by that it brings me some „glance“ back (in the highs) which i missed since 5 or 6 years ago, as i had to change my lovely Via VT1828S (onboard) to an „ordinary“ Asus Xonar DX..;-)

changed then to the „Muses 8920“ and ? Better 😉 ..it has the best from both op-amps: this airly, lively (OPA2134) but also the „push“ (NE5532) mainly in the middle-lows..;-)(„its all about the slew-rate“ 😉 ; funny+interesting article here->http://nwavguy.blogspot.de/2011/08/op-amp-measurements.html )
anyway this OPA2134 is as said very good..
the next possibility would be an „AD797“ or some LMEs..(and Burson V5 of course)
ES Sabre itself recommend these „AD797″ + some LMEs (for the ES9006+ES9008 series)..its from a very interesting download->“Maximizing DAC performance…“->http://www.esstech.com/index.php/en/support/downloads (thx to „Mark04“ again, over at the DIY-audio-forum->LINK)

(picture from „janos_904„->hope i could use it here..)

so, and another thing is that i´ve updated to Diet 6.5 and with every version it sounds better and better and the main advantage is that u have meanwhile almost no horrible „pops“ in changing the music-file-format like flac to wav or 44,1 to 192khz for example..
i guess its also because u got a better/fresher raspian-(firmware) everytime u update it via DietPi..
greets for now..

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