Cayin C9: Dual Nutube, Fully Balanced Class A/AB Portable HeadAmp
Feb 27, 2021 at 9:15 AM Post #1,756 of 6,212
I am in love very much here!!! With the IER-Z1R, I get the soundstage, dynamic, imagings, isolations when needed, out of this stack
I have never enjoyed my IER-Z1R as much as I do now. I have had it for almost 2 years, and all it had been was just collecting dusts or used for reviews here and there

Now I truly can enjoy it
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Thís eartip is terrible !!!!!!
 
Feb 27, 2021 at 9:16 AM Post #1,757 of 6,212
So you enjoy this setup more than DMP-Z1? :xf_eek:
The biggest downfalls of DMP Z1 and Z1R is that I don’t listen to Z1R too loud...and the channel imbalances is a killer at such low level volumes....it deforms the staging and imaging IMO. Unless I cranked it up so loud, but at that level, I use HD800S
 
Feb 27, 2021 at 9:21 AM Post #1,759 of 6,212
I remember some people use copper coin for absorb laptop heat. Maybe someone can give it a try to C9. The only copper I have is SP2K which only add heat into heat :smile:

source: https://twitter.com/youichi_itou/status/1310438398264446976?s=20
If this is a joke ? I will leave it there

If it isn’t a joke, these cooling and heat sinks are 99.9% coppers with graphemes coatings. Only take 4 to considerably lowered the generated heats from Class A-tubes, the most demanding mode from C9

https://www.amazon.com/gp/aw/d/B08HJ6JMLG?psc=1&ref=ppx_pop_mob_b_asin_title
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Feb 27, 2021 at 9:28 AM Post #1,760 of 6,212
The biggest downfalls of DMP Z1 and Z1R is that I don’t listen to Z1R too loud...and the channel imbalances is a killer at such low level volumes....it deforms the staging and imaging IMO. Unless I cranked it up so loud, but at that level, I use HD800S
Agree.
I find Hugo2(H2) push Z1r well when I push the volume to > green colour with SPDIF converter in btw my laptop. I adjust my laptop output volume, increase H2 volume to get the stunning imaging and sound staging.

I'm deaf if I use that volume level with my DAP to H2.

Glad to hear that thr C9 can do it even in low volume.
 
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Feb 27, 2021 at 9:29 AM Post #1,761 of 6,212
Feb 27, 2021 at 9:43 AM Post #1,763 of 6,212
I’m the same! @Andykong where can we get extra battery packs (ie charging tray and batteries)? Also I heard they may be a case coming. Is this true and, if so, where will we be able to buy it from. Thanks! (Typed whilst listening to my C9. I love this amp SO much!)

Pretty soon, stay tuned. We have promised battery tray as optional accessories when we launch C9, we'll try our best to deliver ASAP.
 
Cayin Stay updated on Cayin at their sponsor profile on Head-Fi.
 
http://en.cayin.cn/
Feb 27, 2021 at 9:56 AM Post #1,764 of 6,212
These cooling heat sinks are so nice to have! I have another pair on top for better dissipation as well. Beside, it helps gripping the C9 with more security. These 4 spots are where most of the heat are being generated and dissipating away. So these little heat sinks are perfect fit as well
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this is starting to look like a cyborg insect 🐜
 
Feb 27, 2021 at 10:20 AM Post #1,765 of 6,212
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Feb 27, 2021 at 10:30 AM Post #1,766 of 6,212
Be careful cooling too far. You can significantly decrease component life. Before modding the cooling on yours you should probabaly reach out to cayin and find out the optimal opporating temperature. The heat very well may be by design

I try to clarify. :beerchug:

The C9 aluminum chassis is part of the heat management equation, it is designed to work as heatsink, and we have advised our users to use C9 at a well-ventilated area (in the user manual). Therefore adding more heatsink to a heatsink should never cause "cooling too far" effect. This will merely increase the efficiency of the heatsink.
 
Cayin Stay updated on Cayin at their sponsor profile on Head-Fi.
 
http://en.cayin.cn/
Feb 27, 2021 at 10:35 AM Post #1,767 of 6,212
Feb 27, 2021 at 10:40 AM Post #1,769 of 6,212
Haha! Actually because C9 is so versatile with headphones, I'm considering getting a desktop DAC like SMSL SU9 and hooking it to the Cayin C9 as my desktop amp. C9 stack can potentially serve dual purpose.

Edit: Regarding Luna, haven't tried that yet, will update with these findings tomorrow.

May I suggest you consider a DAC with a "real" pre-amp built-in? That will allow you to use C9 in both line input and Pre-amp input mode.

If the DAC has a tube buffer, offering dual timbre to its line out and pre-amp output, that would be even better. :stuck_out_tongue_winking_eye:
 

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Cayin Stay updated on Cayin at their sponsor profile on Head-Fi.
 
http://en.cayin.cn/
Feb 27, 2021 at 10:48 AM Post #1,770 of 6,212
I try to clarify. :beerchug:

The C9 aluminum chassis is part of the heat management equation, it is designed to work as heatsink, and we have advised our users to use C9 at a well-ventilated area (in the user manual). Therefore adding more heatsink to a heatsink should never cause "cooling too far" effect. This will merely increase the efficiency of the heatsink.

Good to know! My audio sourc experience is still lacking but I know over cooling is a major issue in product life with industrial inverters so I figured we should as you!
 

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