The JPS Labs: Abyss AB-1266 Impressions Thread
Jan 19, 2020 at 3:19 PM Post #10,037 of 22,424
Hope that it could help.


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Jan 19, 2020 at 3:50 PM Post #10,038 of 22,424
Thanks for that! About aligns with my expectations except for the 5kHz hole, though I may not have noticed it as much since the rest of my system tilts a little toward the brighter side.
 
Jan 19, 2020 at 4:00 PM Post #10,039 of 22,424
Again- amazing how similar the dip is to the LCD-4; in the same basic area of the frequency chart.

It could be that the dip is so much more noticeable in the LCD-4 because the bass is so much more powerful and full that the ear perceives the dip as much more severe on the LCD-4...

Just conjecturing...
 
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Jan 19, 2020 at 4:26 PM Post #10,041 of 22,424
Again- amazing how similar the dip is to the LCD-4; in the same basic area of the frequency chart.
I'm not an expert in EQ by any means (I'm more of a purist and generally don't like using it) but it would be easy enough to try the preset LCD-4 setting in Roon
 
Jan 19, 2020 at 4:53 PM Post #10,042 of 22,424
I believe the Susvra has the most even frequency response of all the reference headphones. -Not sure though...

When I use a parametric equaliser to partially cover up for the Abyss Treble hole- the Abyss sounds much more similar to the Susvara- just a bit fuller and with bit more weight down at the bass.
 
Jan 19, 2020 at 5:15 PM Post #10,043 of 22,424
Again- amazing how similar the dip is to the LCD-4; in the same basic area of the frequency chart.

It could be that the dip is so much more noticeable in the LCD-4 because the bass is so much more powerful and full that the ear perceives the dip as much more severe on the LCD-4...

Just conjecturing...

Are you saying that you find the bass much fuller and powerful on the LCD 4 or the Abyss?

I owned the 4z and had the 4, 4z, and 24 all at the same time as the abyss. I found the abyss to have more impact and a much cleaner bass than all of the 4 line up. The abyss do not have the same warm character that the abyss do though.
 
Jan 19, 2020 at 6:01 PM Post #10,044 of 22,424
I'm not an expert in EQ by any means (I'm more of a purist and generally don't like using it) but it would be easy enough to try the preset LCD-4 setting in Roon

I don't usually like to use EQ, either, and I would not call Abyss TC "reticent" in subjective listening, although I AM already pairing Abyss with rather neutral/"revealing" amplification/cabling by instinct.
For those who don't like EQ for various reasons, I can recommend trying Foobar's "Resampler V" plugin and adjust settings to emulate "Short" digital filter, a trick i learned by manipulating Sabre DAC digital filter settings. This setting increases atmospheric "wetness" and sparkle in that treble region, improving staging air and presence quite nicely.

https://sourceforge.net/projects/resamplerv/

ResamplerVshortFilter by drjlo2, on Flickr
 
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Jan 19, 2020 at 6:39 PM Post #10,045 of 22,424
Are you saying that you find the bass much fuller and powerful on the LCD 4 or the Abyss?

I owned the 4z and had the 4, 4z, and 24 all at the same time as the abyss. I found the abyss to have more impact and a much cleaner bass than all of the 4 line up. The abyss do not have the same warm character that the abyss do though.

I agree. I have only owned the LCD4, both the 100 ohm and 200 ohm.
 
Jan 19, 2020 at 9:24 PM Post #10,046 of 22,424
Are you saying that you find the bass much fuller and powerful on the LCD 4 or the Abyss?

I owned the 4z and had the 4, 4z, and 24 all at the same time as the abyss. I found the abyss to have more impact and a much cleaner bass than all of the 4 line up. The abyss do not have the same warm character that the abyss do though.

I find the LCD-4 bass much heavier and thicker than the Abyss- not necessarily more impactful. Agreed;- the Abyss bass is cleaner. That was my entire point. The heavier, fuller, less clean bass of the LCD-4 may contribute to the perception that the dip in the treble region of the LCD-4 is more severe than the a very similar dip in a very similar place in the treble on the Abyss which is less noticeable- perhaps due to a cleaner- but lighter bass. Again- just conjecture..
 
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Jan 20, 2020 at 6:49 AM Post #10,048 of 22,424
Hope that it could help.



This graph shows exactly what I hear with them. As much as i love them, the peak around 1KHz is clearly noticeable and gives the instruments a nasal quality to them (quite evident with grand piano recordings). The 3-5Khz issues do not bother me much, but the 1KHz one does. I have the suspicion that this one has to do with the pads (being leather), too bad Dekoni doesn't look much interested in manufacturing pads for the Abysses...
 

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