iBasso DX300 Qualcomm Snapdragon 660 Octa-core 6GB RAM ******NEW Firmware 2.00 Android 11******
Jan 21, 2022 at 12:52 PM Post #10,052 of 14,588
Once again it all comes down to personal preference. I cannot imagine letting go of my MEST MK2. I am curious to keep trying new things, but I love the laid back nature of the MK2. Especially in concert with Socrates and dx312 with NOS. To me it sounds like live music. Nothing added, nothing subtracted....just right. My personal preference though. Oh, by the way I only listen in low gain. Makes a difference in the smoothness of the notes compared to medium or high gain. More volume control as well.
 
Jan 21, 2022 at 1:25 PM Post #10,054 of 14,588
Previously I didn’t appreciate the Dx300 much, but it is very different now with Amp12EX.

It reaffirmed to me that the architecture of Dx300 DAC is flagship worthy.

The main point is that we have 4 DAC arrays to output true balanced signals. This is better than any Quad DAC on a single IC chip. Proximity is a thing, and staying a part like this, making the Quad Arrays being a very dedicated DAC design in comparison to Other flagships , including Dx300Max

The proofs are in the measurements by Ibasso disclosures. The Dynamic range can reach 128Db. The THD is -116 VS Max at -114!!!

The crosstalk is a little less than Dx300Max due to the different power supplies. However, the Dx312 with Amp12EX is a very special DAP system, that will surprise you.

Now imagine the External Desktop Amp module if Ibasso is so willing to do it, taking the advantage of 128Db dynamic range, and given it a desktop power supplies!!!!! Pocket monster system for sure

I am eagerly waiting to see what Ibasso will have to succeed the Dx300 since Cirrus chips are not available
861B7A14-E9D8-4982-91CE-DFB2F033B165.jpeg
B05EB0CB-90EE-412D-8807-9BCA758E8480.jpegFD8B56BB-5570-4C4F-8E29-15E748CA0D23.jpeg
 
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Jan 21, 2022 at 2:12 PM Post #10,055 of 14,588
Previously I didn’t appreciate the Dx300 much, but it is very different now with Amp12EX.

It reaffirmed to me that the architecture of Dx300 DAC is flagship worthy.

The main point is that we have 4 DAC arrays to output true balanced signals. This is better than any Quad DAC on a single IC chip. Proximity is a thing, and staying a part like this, making the Quad Arrays being a very dedicated DAC design in comparison to Other flagships , including Dx300Max

The proofs are in the measurements by Ibasso disclosures. The Dynamic range can reach 128Db. The THD is -116 VS Max at -114!!!

The crosstalk is a little less than Dx300Max due to the different power supplies. However, the Dx312 with Amp12EX is a very special DAP system, that will surprise you.

Now imagine the External Desktop Amp module if Ibasso is so willing to do it, taking the advantage of 128Db dynamic range, and given it a desktop power supplies!!!!! Pocket monster system for sure

I am eagerly waiting to see what Ibasso will have to succeed the Dx300 since Cirrus chips are not available
861B7A14-E9D8-4982-91CE-DFB2F033B165.jpeg
B05EB0CB-90EE-412D-8807-9BCA758E8480.jpegFD8B56BB-5570-4C4F-8E29-15E748CA0D23.jpeg
There's also sharing of the supply rails (less current available/supply stability per dac) with more DACs on a single chip. Alternately, knowing that all the DACs were from the same wafer would be an advantage the other way.
 
Jan 21, 2022 at 2:14 PM Post #10,056 of 14,588
A shame about the Cirrus Logic chips. I am very new to daps but totally on board with DX160 and DX300 both. DAC filters are very useful here for fine tuning unlike competitor chips.
 
Jan 21, 2022 at 2:31 PM Post #10,057 of 14,588
A shame about the Cirrus Logic chips. I am very new to daps but totally on board with DX160 and DX300 both. DAC filters are very useful here for fine tuning unlike competitor chips.
Not a qualitative take here but ESS and AKM do that as well. Even Wolfson was doing it many years ago. It's up to the DAP maker to offer the option.
 
Jan 21, 2022 at 2:34 PM Post #10,058 of 14,588
Not a qualitative take here but ESS and AKM do that as well. Even Wolfson was doing it many years ago. It's up to the DAP maker to offer the option
What I intended to say was that these Cirrus Logic filters make significantly more audible difference in sq to my ears.
 
Jan 21, 2022 at 4:57 PM Post #10,061 of 14,588
Previously I didn’t appreciate the Dx300 much, but it is very different now with Amp12EX.

It reaffirmed to me that the architecture of Dx300 DAC is flagship worthy.

The main point is that we have 4 DAC arrays to output true balanced signals. This is better than any Quad DAC on a single IC chip. Proximity is a thing, and staying a part like this, making the Quad Arrays being a very dedicated DAC design in comparison to Other flagships , including Dx300Max

The proofs are in the measurements by Ibasso disclosures. The Dynamic range can reach 128Db. The THD is -116 VS Max at -114!!!

The crosstalk is a little less than Dx300Max due to the different power supplies. However, the Dx312 with Amp12EX is a very special DAP system, that will surprise you.

Now imagine the External Desktop Amp module if Ibasso is so willing to do it, taking the advantage of 128Db dynamic range, and given it a desktop power supplies!!!!! Pocket monster system for sure

I am eagerly waiting to see what Ibasso will have to succeed the Dx300 since Cirrus chips are not available

If they would consider resistor ladder R2R with separate DSD processing (sorry, no MQA decoding suggestion for you), then it would never matter whose DAC chip was unavailable again... :wink:
Cheers and All the Best! :beerchug:
-HK sends
 
Jan 21, 2022 at 9:14 PM Post #10,064 of 14,588
So to be honest, I don't think I'll be a friend of Mest MK II anymore. I've just switched to Oriolus Isas. A completely different mood that encourages me to move. And honestly, the details are not that serious. But this timbre of the Isa. An absolutely good vote. For not everything fits. On the other hand, the Mest MKII blades are boring. And quite honestly, the Mest MK II are actually disappointing for me for 1500 dollars. I hear more details, for example, with the Hifiman RE 800 for 150 dollars. Ok, they also cost 600 once. Special sale at Hifiman.

Having owned the MEST MKII, I was genuinely disappointed by its performance - whether or not it synergized well with amp12.

Listened to them for about a week and eventually ended up returning. Idk if mine needed burn-in or not (I'm still on the fence to the practicality and legitimacy of burn-in. Someone please convince me lol) but from memory, it had a digital-esque timbre and a relatively narrow soundstage width (stellar imaging though!!). I also found the upper registers to come off a bit harsh/bright, which is quite the opposite of how it's graph indicates.

Maybe mine needed burn-in/more play time? Had given them adequate amount of opportunities listening to it throughout the week, but I can't help but feel it was a primarily hype driven.
 

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