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Earlier today I asked Nathan to check with them
2nd paragraph under sound looks like there should be a link or copy/paste of the opamp spec used in Nathan's sample.
I keep digging into this amp with my various diymods (with different configurations) and op amps, and I am so impressed with Nick's design and implementation of the DC servo (in response to the 2v DC bias from my capless diymods). I think this is what & why the amp has excelled in my case.
I have this combo with hi-gain setting at 8 to 9 o'clock, it just blows my mind with anything I throw in with the unreal sound stage, separation and cleanness, speed, airy flow, energy, weight in notes. I never expected the in-ear audio could be this good.
For most of my music, the hi-gain setting at 8 o'clock already blast my ears with the EX1000. I am surprised the little combo can deliver this much power to the music notes. I just don't know exactly what have clicked along the pipeline to present this perfection, if I am allowed to use that word.
Although I have not tried other hi-end daps, this combo is a massive deviation/upgrade from other stock daps I have/had (ipod 5g/5.5g, ipod 7th gen classic, mini 2nd gen, ip4s, J3). In comparison to this combo, the other daps sounded like 2d plain no dynamics.
It was a great companion for my IPod C7/160G during those long dialysis days. I loved the lively drum attacks that were sharpened up and the low and high frequency extension. I use the 209s since I don't use devices which generate RF interferance.
Just weighing in.
It was a great companion for my IPod C7/160G during those long dialysis days. I loved the lively drum attacks that were sharpened up and the low and high frequency extension. I use the 209s since I don't use devices which generate RF interferance.
Just weighing in.
I hope you are doing OK now. I have not experienced any RF interference with OPA209 around my iphone 4s. Man that sound stage and dynamics are unreal for in-ear audio.
I did a little playing with a book reading device with wifi connectivity, and could induce a little noise. That seems to be the big complaint from others about the 209, but, I like analitical sound, which seems to come from these op-amps.
And that was the way they were sold as stock at first. It was positively reviewed with the 209s a couple of years ago on InnerFi.
Can't see myself selling it.
I did a little playing with a book reading device with wifi connectivity, and could induce a little noise. That seems to be the big complaint from others about the 209, but, I like analitical sound, which seems to come from these op-amps.
And that was the way they were sold as stock at first. It was positively reviewed with the 209s a couple of years ago on InnerFi.
Can't see myself selling it.
What I found is the analytical signature of this OPA209 paired with a special source can bring exceptional audio results particularly in dynamic range, separation/clarity, airy flow & power/weight to the music notes. I have quite many capless diymods and there is one which just blows my mind/ears with OPA209. I am scratching my head trying to figure out exactly why this one is different from the others. With the others I haven't been able to duplicate the same results using either 8610 or 209.
Audio is a mysterious animal and results really depend on synergy from the components along the audio path/pipeline. For instance, even for the short LOD cable to my ears the cotton-sleeved pure silver solid wires sound clearly the best.
I almost wrote off the 209 when first paired with one of my diymods (direct-out mod) due to lost bass and extensions. Then I was, and still is, completely blown by the massive improvement brought by the 209 when paired with another diymod.