Cayin RU7: 1-Bit Resistor Network Dongle DAC /Amp
May 18, 2023 at 10:46 AM Post #121 of 2,149
Ladies and gentlemen, live from Munich!
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Miniaturized N7!

I have listened with the Meze 109 PRO and it definitely sounds good!
 
May 18, 2023 at 10:53 AM Post #123 of 2,149
Now to close the circle we need some information on consumption and we're fine.
 
May 18, 2023 at 10:55 AM Post #124 of 2,149
Which technology is better in terms of SQ - r2r or 1bit? 🤔
I don't think it can all be reassembled with which one sounds better... the R2R has a peculiar sound... different from all the delta-sigma dacs which are 99% of the dacs on the market, while for the 1bit one it is only present in the N7 of the Cayin therefore even more exclusive. I don't know if the 1bit one is closer to a delta-sigma or to that of an R2R, but since it is a discrete component dac I think it is closer to the second. You should ask anyone who has compared the sound of an N6II-R01 to that of an N7.

I agree that neither one sounds better and they share but also distinct signatures.

Owning both HiBy RS8 (R2R) and Cayin N7 (1bit), I wouldn't say one is better than the other and they both share a natural resolving and analog tonality with N7 being more transparent and airier treble. Owning N8ii, N7, RS8 and other Delta-Sigma DAPs, N7's 1bit slots in between RS8 and N8ii.
 
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May 18, 2023 at 11:00 AM Post #126 of 2,149
I don't know if they have the RU6 at the booth and it is too noisy.
Hopefully I will soon have one for review and direct comparison.
If you can, ask something about consumption... thanks.
 
May 18, 2023 at 11:16 AM Post #127 of 2,149
Will there be an adapter for using with an iPhone? (no USBC out on iPhone! :scream: )
 
May 18, 2023 at 11:22 AM Post #128 of 2,149
Will there be an adapter for using with an iPhone? (no USBC out on iPhone! :scream: )
You have two options... the 20 euro Cayin lightning cable or a 50 cent type-c lightning adapter on Aliexpress... the choice is yours.
 
May 18, 2023 at 11:39 AM Post #129 of 2,149
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May 18, 2023 at 11:39 AM Post #130 of 2,149
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Cayin Stay updated on Cayin at their sponsor profile on Head-Fi.
 
http://en.cayin.cn/
May 18, 2023 at 11:45 AM Post #132 of 2,149
The power consumption of RU6 and RU7 are roughly the same, around 100mA to 110mA.
It is already something that is not superior...
 
May 18, 2023 at 12:06 PM Post #133 of 2,149
Will there be an adapter for using with an iPhone? (no USBC out on iPhone! :scream: )
You need lightning to USB-C cable. While there are numerous options to achieve this, you must stick with a cable that can deliver a 5V output if you want to enjoy a reliable USB DAC function with your iPhone.

Cayin offers a Lightning to USB-C Cable CS-L2C, at around US$20.
The most frequently quoted L to C cable in RU6 thread is OEOTG Digital Cable, also at around US$30

You certainly can look for other options, just to make sure the cable is good for 5V.
 
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Cayin Stay updated on Cayin at their sponsor profile on Head-Fi.
 
http://en.cayin.cn/
May 18, 2023 at 12:13 PM Post #134 of 2,149
I was literally just thinking if this was on the cards, will be interesting to hear more about it and how close it is to N7 sound.
Yes this is the main question! Will the LO of RU7 be equal, lower quality or maybe higher quality then N7 LO? :L3000: I guess it may be equal but I'm afraid it will be lower quality because up front it is a "shared" LO where N7 has a dedicated LO.

@Andy, I guess understand you will probably not want to comment on sound quality differences but would you be willing to enlighten us on the technical differences between the two DAC (N7/RU7) and their LO signal path?
 
May 18, 2023 at 12:41 PM Post #135 of 2,149
You need lightning to USB-C cable. While there are numerous options to achieve this, you must stick with a cable that can deliver a 5V output if you want to enjoy a reliable USB DAC function with your iPhone.

Cayin offers a Lightning to USB-C Cable CS-L2C, at around US$30.
The most frequently quoted L to C cable in RU6 thread is OEOTG Digital Cable, also at around US#30

You certainly can look for other options, just to make sure the cable is good for 5V.
I respect that you provided your option as well as another popular one that lots of people used for the RU6. I have the OE cable so it sounds like I'm set - can't wait for the reviews!
 

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