Cayin C9: Dual Nutube, Fully Balanced Class A/AB Portable HeadAmp
Feb 11, 2021 at 10:31 AM Post #1,096 of 6,212
I'm pretty sure I'm going to get a replacement IC - mostly because I want to be able to play with the DAP while the C9 is far away.

Do you think there's a limit as to length, after which there's a notable decrease in performance?

I'm thinking 18 inches...

Also, the C9 does run pretty hot? More than I remember of the demo, but I wasn't really trying to carry the demo around. Pressing a finger to it becomes very uncomfortable after 3-4 seconds - is this your experience too?



https://ifi-audio.com/products/4-4mm-to-4-4mm-cable/
Just noticed you’ve changed your profile pic - a beautiful combo!
 
Feb 11, 2021 at 10:47 AM Post #1,098 of 6,212
Feb 11, 2021 at 10:57 AM Post #1,099 of 6,212
For 18650 purposes. I recommend this charger . It allows 4 batteries, and has the ability to charge many others, but most importantly is to “Match the Internal resistances” of your batteries. I may have a habit of matching stuff from my own DIY building and even tubes amp....so I always jump in for “matching stats”. This feature is awesome and easy to use

I am using 4 matching of 22mOhms Internal resistances :). These will change as the batteries aged down, but at least they should be matched and staying in the range lol
https://www.orbtronic.com/battery-charger-21700-26650-18650-14500-li-ion-ni-mh-aa-aaa

Also, don’t forget to grab your set of batteries. With this one, you will hear improvements in staging, bass, body, textures.
https://www.orbtronic.com/3500mah-18650-imr-battery-high-drain-rechargeable-orbtronic-li-ion
00F72457-D7B5-40C2-92E2-A98CFC61D47D.jpeg

Since I have discovered the batteries and the chemicals that made it will also effect the sound quality. I am grabbing another kind of batteries to check out. Will report soon
 
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Feb 11, 2021 at 11:17 AM Post #1,100 of 6,212
Thanks for the idea :) just got mine Done! The HD800S and C9 with Class A/Tubes is such a wonderful combo

Traillii and C9 with Class AB/Tubes for me! Still deciding between the sources; I like MAX LO, N6ii E02 LO, R8 LO, and LPGT LO.
 
Feb 11, 2021 at 11:40 AM Post #1,102 of 6,212
haha... love to see this thread going.

Not much choice of mine, mostly I'm using Ropiee > Hogo 2 > C9 with either Ether 2 / IER-Z1R / Odin for the convenient desktop ready setup. Between them, I like Tube A using 3.5 output in low gain with Odin for the warm, smoothness and energy. Moving around, I will pick my wm1a with C9.

May try again with ta-zh1es preamp and New R6 variable lineout later, or the fake lineout of my broken SP1000.
 
Feb 11, 2021 at 12:05 PM Post #1,103 of 6,212
Feb 11, 2021 at 4:15 PM Post #1,105 of 6,212
Traillii and C9 with Class AB/Tubes for me! Still deciding between the sources; I like MAX LO, N6ii E02 LO, R8 LO, and LPGT LO.
By far I am loving Max line out the best. Hopefully I can get to hear A02 and N6ii later when the opportunity present itself, just for curiosity lol
 
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Feb 11, 2021 at 4:27 PM Post #1,106 of 6,212
By far I am loving Max line out the best. Hopefully I can get to hear A02 and N6ii later when the opportunity present itself, just for curiosity lol
Is that the only motherboard for Cayin N6II that you want to try?
 
Feb 11, 2021 at 5:28 PM Post #1,110 of 6,212
Hopefully I can get to hear A02 and N6ii later when the opportunity present itself, just for curiosity lol
Actually, in comparison to the MAX I don't think you would gain anything other than ergonomics. The N6ii is smaller of course but the battery life is probably around the same and while they both sound very very nice I can't say one is better than the other. Take that as my opinion only which is completely pedestrian.
 

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