The JPS Labs: Abyss AB-1266 Impressions Thread
Sep 22, 2021 at 10:04 PM Post #17,776 of 22,406
And its comparision to your current headphone amp?
Compared to the FA-10, Formula S without Powerman, and V281 I had at the same time, the LP didn't have the refinement of those amps. The FA-10 and V281 had a similar warm tonality as the LP, but was faster, more dynamic sounding with more impactful bass. The Formula S even without the Powerman I thought was better sounding than all three. It was cleaner throughout the midrange, has faster transients which made the notes snappy, clear and defined. last the Formula S just has amazing P.R.A.T. compared to the other 3 amps.
 
Sep 22, 2021 at 10:10 PM Post #17,777 of 22,406
You may have had one of the older stock. I believe they updated the volume pot to give it more range near the beginning. I've had a couple of them and the second one I got was definitely updated. I was able to hit 12'oclock pretty easily with the Abyss and Susvara. I think I had the Qutest running at 1 or 2v output, definitely not 3v.
I’m sure I did. Once I realize I could just lower the volume on my Hugo 2 to get more play on the volume know it was all good. The LP wasn’t or isn’t a bad sounding amp. I do recommend the mods to improve clarity throughout the frequency spectrum. After the mods it sounded like $1.5k amp and could compete with some higher tier amps, but it did lacks some refinement in the mids and upper frequencies to my ears.
 
Sep 22, 2021 at 10:30 PM Post #17,778 of 22,406
Compared to the FA-10, Formula S without Powerman, and V281 I had at the same time, the LP didn't have the refinement of those amps. The FA-10 and V281 had a similar warm tonality as the LP, but was faster, more dynamic sounding with more impactful bass. The Formula S even without the Powerman I thought was better sounding than all three. It was cleaner throughout the midrange, has faster transients which made the notes snappy, clear and defined. last the Formula S just has amazing P.R.A.T. compared to the other 3 amps.
Do u think the power man is worth to spend 2400$ extra or formula s alone is good enough for ab1266
 
Sep 22, 2021 at 10:35 PM Post #17,779 of 22,406
Do u think the power man is worth to spend 2400$ extra or formula s alone is good enough for ab1266
I think the Powerman takes this amp to a whole new level and totally worth it. It went from ok...to really good with its addition.
 
Sep 22, 2021 at 10:44 PM Post #17,784 of 22,406
Did anyone have chance to do a/b test between the formula s+ powerman with the benchmark hpa4 alone?

This is a good video from abyss where they talk about different amps
 
Sep 22, 2021 at 10:51 PM Post #17,785 of 22,406
Sep 22, 2021 at 11:02 PM Post #17,786 of 22,406
Did anyone have chance to do a/b test between the formula s+ powerman with the benchmark hpa4 alone?
I have owned both and much prefer the formula S and powerman personally 🤷‍♂️🤷‍♂️
 
Sep 23, 2021 at 2:12 AM Post #17,790 of 22,406

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