Denafrips 'Pontus' R2R ladder DAC - close up view
Sep 13, 2017 at 9:07 AM Post #35 of 1,800
Sep 16, 2017 at 10:38 PM Post #37 of 1,800
Finally got around to spend some quality time listening to the Pontus and the Ares. These are my opinions. Take it with a grain of salt.

Equipment used;
Preamp: Parasound P7
Speakers: Paradigm Studio 100
Subwoofer: Seaton Submersive
Amplifier: Earthquake Cinenova Grande 7
Source : Rpi 3

I listened to different genres of music and different resolutions. Redbook to HD (flac) to DSD 128.

Pontus vs Ares

slightly bigger sound stage compared to Ares.
On the Ares the soundstage is slightly behind where as the with Pontus it is between the speakers
Better micro dynamics and improved separation between the instrument.
the bass on the Pontus is more controlled, tight compared to Ares. On the ares the bass seems bit bloated.
where the Pontus really shines compared to the Ares is the the ability to keep up the dynamic range.
OS/NOS is a bit of hit or miss. what ever it is doing is so subtle that on some tracks OS was preferred. IMO NOS is over hyped.
To me the high frequency is slightly rolled off in the Pontus which seems like an ideal pair to my SS preamp and aluminium domed tweeter.

Is the pontus 3x better than Ares considering that the difference in price is 3x? The answer is NO.

If you have equipment that scales well then Pontus is a good buy otherwise using Ares one won't be missing a lot(at least not 3x less). To put it in other words if you buy a Pontus make sure that your equipment downstream is resolving otherwise Ares is a good value for money for a R2R dac.

Finally a shout out for Alvin for the excellent customer service provided.
 
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Sep 23, 2017 at 10:21 PM Post #40 of 1,800
@rudra , rpi3 USB port share the same interrupt with the Ethernet port. It's the major downside of the rpi if one would like to use it with external DAC.

I'm using allo USBridge, it's surprisingly good.
 
Oct 18, 2017 at 1:25 AM Post #43 of 1,800
Any Pontus owners here using the I2S input?
I am thinking to use either
1) Raspberry Pi direct I2S out or via reclocker like Allo Kali
I need a confirmation that the built in clock of Pontus will reclock all incoming data from all digital input including I2S input (run as master DAC) or Pontus ran in slave mode which reclocker is required for lower jitter. For those having RPI as source and able to use I2S input, please comment on the SQ versus other digital input.

2) Laptop USB to I2S conversion with ultra lower jitter clock, like Hydra Z or Singxer SU-1
 
Oct 18, 2017 at 10:40 PM Post #45 of 1,800
Any Pontus owners here using the I2S input?
I am thinking to use either
1) Raspberry Pi direct I2S out or via reclocker like Allo Kali
I need a confirmation that the built in clock of Pontus will reclock all incoming data from all digital input including I2S input (run as master DAC) or Pontus ran in slave mode which reclocker is required for lower jitter. For those having RPI as source and able to use I2S input, please comment on the SQ versus other digital input.

2) Laptop USB to I2S conversion with ultra lower jitter clock, like Hydra Z or Singxer SU-1

Hi @burdie,

Pontus reclock all input. Hope it helps!
 
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