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New- Zishan Z1 DSD player thread
Jun 6, 2017 at 9:38 PM Post #676 of 1,364
james-O-hifi said:
Alright here are my findings about a couple of OPAMPs.

The OPA2460 is definitely an improvement over the stock one. It improves clarity and gives it a punchy bass. Sounds really nice however I found the LME49720NA to have even better clarity and a less boomy bass then the stock one and than the OPA2460. I kept the LME49720NA in mine and I'm gonna do a side by side comparison with my Oppo HA-2 this weekend.

btw, after all the hype about the VE Monks+ I have to say I find them good, certainly for 5$ earbuds, but overall they're okay... Just not as "hifi, audiophile" whatever as some people describe it.
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Did you mean OPA2604 (can't find 2460)?
 
Jun 6, 2017 at 10:41 PM Post #679 of 1,364
Dark Helmet said:
My initial comparison between the NA and the HA were done very early. Now that the Z1 has burned in, the difference is significant. I'd have to agree with @lecky.
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Have you swapped out anything in the Z1, other than the opamp?

Once I've put my Walnut v2 back together again, I'm going to begin working on my Z1 (other than just swapping opamps) - first removing the volume control, and changing the circuit etches so that Clockwise = Volume Up; and then possibly trying some capacitor upgrades.
 
Jun 7, 2017 at 12:11 AM Post #681 of 1,364
Sorry for the dump question but does z1 has an amplifier inside like walnut?

Also any users who have paired z1 with lz a4 please post your impressions If possible. Thanks.
 
Jun 7, 2017 at 12:35 AM Post #682 of 1,364
Dark Helmet said:
Give us some initial impressions of the Sparkos Labs.
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The Sparkos Lab opamp does not lack. It's clearer, bigger, more robust, more competent sounding than all the rest of the Op-amps I've tried (including the Burson V5i and Muse02, both which I like). That's my initial impressions, and I've been listening to the others this past hour including the LME49720HA.
Drawbacks to the Sparkos though, it's expensive (as much as a Burson with shipping). It's about 1/2 millimeter too tall to shut the lid on the Z1 (really, it's that close to fitting). It'd be worth it to cut a hole out for me and put a little "turbo" hood on there though, haha. It sounds like Hi-Fi and even my Beyerdynamic T-90 headphones are a good match with it. Sounds the best of all opamps with IEMs and Full sized headphones. I think it draws more power because I got about 6 hrs running it constantly all day long (I'll have to run it again to make sure against the other opamps). You might lose a little max volume. Those are some initial observations and thoughts...
 
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Jun 7, 2017 at 12:48 AM Post #683 of 1,364
DBaldock9 said:
Have you swapped out anything in the Z1, other than the opamp?

Once I've put my Walnut v2 back together again, I'm going to begin working on my Z1 (other than just swapping opamps) - first removing the volume control, and changing the circuit etches so that Clockwise = Volume Up; and then possibly trying some capacitor upgrades.
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No. I like how it is at the moment.
 
Jun 7, 2017 at 12:51 AM Post #684 of 1,364
silverfishla said:
The Sparkos Lab opamp does not lack. It's clearer, bigger, more robust, more competent sounding than all the rest of the Op-amps I've tried (including the Burson V5i and Muse02, both which I like). That's my initial impressions, and I've been listening to the others this past hour including the LME49720HA.
Drawbacks to the Sparkos though, it's expensive (as much as a Burson with shipping). It's about 1/2 millimeter too tall to shut the lid on the Z1 (really, it's that close to fitting). It'd be worth it to cut a hole out for me and put a little "turbo" hood on there though, haha. It sounds like Hi-Fi and even my Beyerdynamic T-90 headphones are a good match with it. Sounds the best of all opamps with IEMs and Full sized headphones. I think it draws more power because I got about 6 hrs running it constantly all day long (I'll have to run it again to make sure against the other opamps). You might lose a little max volume. Those are some initial observations and thoughts...
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Where did you buy it?
 
Jun 7, 2017 at 1:11 AM Post #689 of 1,364
Dark Helmet said:
What sample rates are you guys getting when using the Z1 as a DAC? When using Amarra It locks at 48 and a couple of my hi res files won't play higher than 48.
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When using Audinirvana, it states 16/48 as DAC. Something is funky with the DAC operations because I tried using it as a DAC with my Shanling M1 as transport (it only lasted a few minutes because it sucked power from the M1) and the only files it could play were my 24/48 files. Not my 16/44 or 24/96 or anything else...just 24/48. Yeah, I don't know...
 
Jun 7, 2017 at 1:23 AM Post #690 of 1,364
silverfishla said:
When using Audinirvana, it states 16/48 as DAC. Something is funky with the DAC operations because I tried using it as a DAC with my Shanling M1 as transport (it only lasted a few minutes because it sucked power from the M1) and the only files it could play were my 24/48 files. Not my 16/44 or 24/96 or anything else...just 24/48. Yeah, I don't know...
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When I run Itunes into it it plays my hi res files, of which most are 24/96, just fine. As soon as I activate Amarra, it locks at 48K and plays the 44.1K files at 48K. This makes everyone sound like they are hitting puberty.
 
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