NVA Reviews (THIS THREAD IS ONLY FOR STASHING REVIEWS)

All reviews of NVA here.
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TheMadMick
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Re: NVA Reviews (THIS THREAD IS ONLY FOR STASHING REVIEWS)

Unread post by TheMadMick » Fri Oct 25, 2019 9:32 pm

TIS 1m Loan pair - initial experiences

As some may remember, I had a set of Mk1 TIS and returned it as it didn't suit my system. In the meantime I have changed my main source to the Blusound vault and the speakers to MA PL200's. The speaker cable is Atlas Mavros.

I was advised that the cable does not need running in. That is contrary to my experience with other cables and, with due respect, this does need running in. It has been in my system with somewhere over 40 hours running. It started with an upper mid range hardness (female voice) and over time this has reduced. I have just been playing Capercaille's eponymous album and the experience was exquisite.

Allow me to expand. The dynamics are excellent. The system seems to start and stop in a sixpence, the bass has filled out over the Oriton Symphony Orange I was using, the stereo image has more height and the whole musical experience is simply more detailed. There is no effort picking out backing singers and instruments. They are laid bare to the ear. However, the "group of players" I had last time has not materialised and even relatively complex music e.g. Alicia Keys Songs in Am, the separate strands are clearly differentiated but also sound like music with all the elements playing together.

If the upper mid range hardness disappears, then it's a sale.

The anomaly is that the interconnect costs about half the price of the source component. So much for the 10% "rule".
NuVista 3D, kW550, MA PL200, BMU, Atlas Mavros, Blusound Vault.

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savvypaul
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Re: NVA Reviews (THIS THREAD IS ONLY FOR STASHING REVIEWS)

Unread post by savvypaul » Tue Nov 05, 2019 11:15 am

By text:

Upgraded P90SA & Pre-owned A70s

"One week on and I am very happy to say my system sounds better than ever. Bizarrely, I had to reposition the Cubix quite a bit, but when it clicked it was a genuine wow moment. I expect to squeeze even more out of it as I upgrade my interconnects, but right now it's bloody good...so a big thanks to you and Tomasz."

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savvypaul
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Re: NVA Reviews (THIS THREAD IS ONLY FOR STASHING REVIEWS)

Unread post by savvypaul » Sat Nov 09, 2019 9:25 pm

Ian (via nvahifi.co.uk)

LS6 REVELATIONS

WOW! The difference is not subtle from LS5 upgrade. Tweeters of the Alon (Nola) Petites wired with LS5, with the upgrade to the mid/bass units. More space, intelligibility, foot tapping pace. Sweeter with sibilance reduced. Feel the spades for the speaker end makes a difference as well. System: A70 mono/AP20 Power/P50/MDac+/Audiomeca Kreatura.

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savvypaul
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Re: NVA Reviews (THIS THREAD IS ONLY FOR STASHING REVIEWS)

Unread post by savvypaul » Mon Nov 11, 2019 4:05 pm

eagwok33 via email

P3 conversion & wiring upgrade
P50SA upgrade

Hi Tom,

Thanks for sending my P50 priority :-)
I definitely will let you know, how my P3 will work with P50sa.

What I can tell you right now is, that in my current system with p3 connected to my EAR 868 tube line stage (and then into my First Watt M2 Clone amp), there is definitely less noise and RFI than it was before with p3 mc as well as with my p2 mm, which I had before the p3. I can turn the volume up a lot without hearing noise, at around 12 o'clock to 1 o'clock position, I can hear slight noise from my speakers and a faint hum. (My normal listening range with the EAR is 9 to at max. 12 o'clock)
I made a test some minutes ago and took my mobile phone into my music room and held it near and above the phono stage. I couldn't hear any interference from the phone in my system or coming from the p3 (and my horn speaker system is 98dB efficient). This wasn't possible before with both p3 mc and p2 mm. (A mobile phone at this distance triggered interference in the p2 or p3 before.)
My p3 mm has now been installed for 2 weeks in my system and our router (with lan and wifi) is about 6 to 7 meters away in the next room. Wifi isn't always on in our house, but there was no interference up to now with Wifi on. The only difference in my system currently is the EAR tube line stage. Before, I either used the P50sa and most of the time my trusted LFD Anniversary line stage (the latter currently has a technical problem and I have to send it to the UK for repair). Both P50 and LFD picked up interference stronger than the EAR itself according to my memory. So, it will be interesting, how the P50SA will do now.

I wonder, how the wire change alone could have such a positive effect on interference. As far as I understood it isn't shielded, just silver plated wire in Teflon. So, how can this influence the interference from Sky boxes and Wifi routers (and what else is in the air) so positive? It seems, you have magic hands... ;-)
I will definitely do more tests in this regard and let you know.

Best wishes and good night,

Hi Tom,

I did some more testing with p3 and possible wifi interference.

When I use my Tablet (with wifi connection) in my music room, the p3 stays quiet - that's cool!
Only, when I try to use the tablet in less than about 1.5 m distance from the p3 head unit (which I only did to test interference), than interference from the wifi connection can be heard in my system. It's a kind of pulsing ("knocking") sound, which the wifi signal apparently triggers in the p3.
This is a big improvement compared to my p2 mm before. Great job! :-)
When I want to listen to my LPs seriously, than I shut my Raspberry based streaming device down and power it off, also power off the tablet and my Ethernet switch in the music room, as I feel I get the best from my records without these digital gadgets connected to the system (only CD player and phono / tt combos are than connected to my system). I our modern world, this would be most likely a no go, but for me it is the best way to enjoy my music and get connected to it. And only that counts in this case...
You did a great job on my p3 conversion to mm. No more radio interference, just music, very involving music - can it get better than this! :-)

Best wishes,

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