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Fidelizer Nimitra Firmware 7.0 Updater is released featuring Erawan and CoreStream support and major sound quality improvements

 in News

 

Nimitra Firmware 7.0 Updater

 

Nimitra Firmware 7.0 was scheduled to be launched with Nimitra3 / Nikola3 in August 2026 but there’s a lot of new optimizations to work on such as PerfectDynamics optimizations on Audirvana and Roon and Fidelizer 9 too.

Now that everything is finalized for completion, Nimitra firmware 7.0 is now ready. This upgrade is quite special due to Fidelizer 9’s engine with new core optimizations so both of new engine and firmware update will come together.

 

Fidelizer 9’s core optimization engine

 

With reworked optimizations of Fidelizer 9 release, Fidelizer streamers that will receive Fidelizer 9.0 core optimization engine together with firmware 7.0 update. This new engine will bring new life to Fidelizer streamers that could be considered as major upgrade.

This core optimization will greatly improve musicality and make Fidelizer streamers sounding more organic and lifelike in a way that can only be achieved through real analogue recording. But now streaming can feel that similar experience thanks to this new engine.

 

Tidal / Qobuz / Spotify Connect with exclusive playback support

 

Spotify Connect

 

As some people requested about Connect feature for Fidelizer streamers to work with native application directly, I developed solutions for Tidal / Qobuz / Spotify to work with connect feature also. At first they aren’t mentioned because most people stopped using it later.

But since there are a lot of customers who prefer to keep native user experience with Connect feature, I’d like to make this clear that Fidelizer streamers can implement Connect feature with exclusive playback support including Spotify also.

If you want to implement connect feature, please contact me and we can schedule remote session to implement this function on your streamer. Sound quality on Connect feature will perform great with Fidelizer 9’s core optimizations in dedicated environment.

 

Expanding support Erawan and CoreStream streamer

 

Since Nimitra streamer project has been scaling into Erawan and CoreStream, I planned about releasing Erawan 2.0 firmware after Nimitra 7.0 firmware later. But change on CoreStreamOS made me realized a single firmware for all streamers is better approach.

So, Nimitra firmware 7.0 will support Erawan flagship streamer and CoreStream streamer also. New changes and improvements will apply on all Fidelizer streamers in a way that is suitable for target streamer.

 

PerfectDynamics optimizations for Audirvana and Roon

 

Ever since Fidelizer has partnered with Audirvana, I’ve been working closely with Audirvana to provide the best experience to clients who use Fidelizer streamers with Audirvana software and assisted Audirvana on different occasions.

After Audirvana migrated platform to .NET 10 runtime, I have been working on making the most of .NET 10 runtime optimizations for and develop proprietary optimization technology for Fidelizer streamers with Audirvana.

After the completion of this new technology, Audirvana has become Fidelizer’s new reference platform that can provide PerfectDynamics using Kernel Streaming Extreme without harshness or fatigue and capture real sound performance perfectly.

Roon also migrated to .NET 10 runtime too so I expanded PerfectDynamics tuning to latest version of Roon platform too. Although current Roon doesn’t meet Fidelizer standards anymore, this update helped some clients moving from Roon 1.8 to current Roon now.

 

Improved uPNP streaming sound experience

 

Nimitra Firmware 7.0 Updater - Main

 

As Audirvana and Roon getting big improvement with PerfectDynamics sound optimizations based on new proprietary software tuning technology exclusively for Fidelizer streamers, uPNP streaming is also improved a lot too with deeper level tuning.

Pure playback optimization now disables more components reducing footprints further bringing quieter noise floor and core engine is further optimized to reduce interference in software to reduce non-audio workload.

Streaming latency is also enhanced with smooth transition for better playback experience. Stop / Pause playback will not stop music abruptly. Changing track can be adjusted between 0.5 / 1 / 2 / 4 second(s). Low latency options won’t have smooth track change.

 

Improved internal system and application optimizations

 

There’s a lot of internal system and application optimizations in firmware 7.0 to further improve audio performance in this release. Airplay now will have perfect a/v sync with Apple products like AppleTV and some application files are updated to more recent version.

Internal system optimizations are improved with improved reliability bring further stability across different playback platforms. With firmware 7.0, CoreStream / Nimitra / Erawan all can perform with the same reference real sound experience as best in its own class.

 

Changelog

-Added fade-out transition to perform with latency optimizations after “Low Latency” configuration
-Added PerfectDynamics runtime optimizations for Audirvana / Roon platform
-Added CoreStream and Erawan into supported devices
-Changed default audio profile to “Network Renderer”
-Changed process optimizations to maintain priority/affinity consistently
-Improved internal sound quality optimizations for based on Erawan to other product models
-Improved pure playback optimizations to disable more components
-Improved playback control experience with uPNP
-Improved streaming performance and reliability with uPNP
-Improved uPNP to stop after long pause so driver won’t keep locking on USB audio device
-Optimized Airplay a/v sync to have the exact sync accuracy
-Optimized output configuration to focus on 2.0 channel playback
-Optimized system optimizations to support different memory capacity across all product models
-Optimized uPNP platform to reduce background footprints
-Updated OpenHome libraries to latest stable version

 

This firmware update is based on current CoreStreamOS / NimitraOS / NimitraOS running on Windows 11 24H2 and can be installed on older models of Nimitra units to enhance current features installed.

If you’re using older Nimitra models, you may consider upgrading your current Nimitra model with Nimitra3 Streamer Upgrade Plan to get the best music experience, especially with Audirvana and Roon.

Erawan / Nimitra / CoreStream customers can request for firmware update and I’ll update Nimitra firmware through remote support. Feel free to contact through email or support channel to schedule remote session.

Added Nimitra3 feedback from Shih-Kang Chao

 in Feedback

 

Nimitra3 - Side

 

Here’s a new feedback today. He shared his feedback of Fidelizer Nimitra3 streamer after upgrading upcoming Nimitra firmware 7.0 as below.

Previously, I had to use the Nimitra3 as the Roon Core paired with a separate Roon Ready device to get really good sound quality. But now, the Nimitra3 alone is enough!

The difference is truly noticeable. This is by far the biggest improvement in Roon sound quality I’ve ever experienced.

I used to choose Roon mainly for its convenience and ease of use, but now the sound quality is excellent too!

I’m happy to hear that he found Nimitra performing so good as a standalone Roon core with firmware upgrade now and happy listening. 🙂

Added Nimitra feedback from Angelo

 in News

 

Nimitra3 - Side

 

Here’s a new feedback today. He shared his feedback of Fidelizer Nimitra streamer after upgrading upcoming Nimitra firmware 7.0 as below.

Ok, here goes. I waited to do 3 different listening sessions a day apart before I sent this, to make sure I was hearing what I was hearing.

frankly, I can’t even believe what I’m hearing. When you said “massive”, you were not exaggerating. This is bloody amazing. Let me try to put this into words, and I wanna remind you that I’m 65 years old, and worked in Hollywood for 30 years as a session musician, and sound engineer in music and film. I still do, but remotely from the east coast. And my audiophile uncle gave me a small tube system to start playing vinyl when I was 7 or 8.

If I didn’t know better, I would have immediately said this was not just an improvement over the prior Fidelizer versions; its like a complete re-write. Holy Toledo. The sound is even more relaxed than it was, its clearer, and more dynamic, without sounding pushy or hyped. More detail and instrument separation. Reverb trails apparent in places I didn’t notice them before.

I have reference tracks that I’ve been using with my systems for decades …rock, blues, jazz, classical, pop, you name it. Orchestras in pop and jazz are clearer, and more forward. I’m getting chills as I’m hearing this right now. Its like my whole system quality just went up another 50%!

The soundstage definitely got deeper. Not wider, and thats good, b/c I don’t need that. Instruments in the foreground came more forward but are still balanced and cohesive in the mix.

This is major, but you know that 🙂

I’m in awe of your expertise K. It amazes me when I come across these threads where people say Fidelizer doesn’t do anything, and you can’t measure it, etc. Really?? Because its not like its subtle!

Hope I didn’t bore you, I could go on, and I prolly will at another time after more listening, both myself and with friends who know my system very well.

I’m gonna say this one more time, and I’m not trying to be dramatic. I really don’t believe what I’m hearing. My system has sounded really good for some time, and I haven’t felt the need to upgrade anything, but its like someone snuck in the other night while I was asleep and replaced everything I have! It was you lol.

Thank you SO MUCH.

I’m happy to hear that he appreciates this Nimitra firmware upgrade as a complete rework and happy listening. 🙂

Introducing Fidelizer Nimitra3 streamer, Nikola3 linear power supply, and CoreStreamOS for CoreStream streamer

 in News

 

Nimitra3 - Front

 

After the completion of Erawan flagship streamer and Lira network station, I have been spending a great amount of time and effort into refining and improve NimitraOS based on Erawan which is my masterpiece together with Lira for over a year now.

The reason I have been working so hard was because I have a few clients who ordered Nimitra custom highend version and I have been working with them locally to reach the same height as Erawan. By the time I finished refining custom highend Nimitra version, it’s almost my 40th birthday.

With on going changes in market demand and Ai disruption that affected production cost of computer worldwide, I decided to launch Nimitra3 streamer and Nikola3 linear power supply upgrade with major changes in product lineup in this month that I’ll be forty years old.

 

Nimitra3 - Rear

 

Let’s start with Nimitra3 streamer first. After finishing Nimitra custom highend upgrade design, I implemented new changes into Nimitra3 with some hardware changes such as 8GB RAM to handle Audirvana / Roon smoothly. SSD has high precision clock upgrade too.

I also designed a new chassis for Nimitra3. It’s minor change but they are changes based on Erawan design to fit into Nimitra3. I printed back panel to show information better and change footer with gold finishing to match with Lira network station.

There’re a lot of internal changes and I don’t want to bloat this news with technical jargons so I’ll wrap up for Nimitra3 upgrade as below.

 

-NimitraOS is upgraded to Windows 11 24H2 based on ErawanOS design
-BIOS is optimized and tuned with recent optimizations for optimal performance and sound quality
-RAM is upgraded to 8GB with customized and tested model for approved sonic performance
-SSD is upgraded with high precision clock similar to how Erawan has SSD with upgraded clock

 

Long story short, Nimitra3 is reborn with Erawan as reference. Getting Nimitra3 + Lira together will save half of investment from Erawan for the most cost effective upgrade experience. Some people upgraded to Nimitra3 before official and they all are loving it.

 

Nikola3

 

Now let’s move on to the next upgrade Nikola3 linear power supply. Nikola3 is based on Lira network station design without network part so they share the same internal parts and circuit design including gold plated XLR termination outputs.

Nikola3 will come 2 outputs and DC cables just like Aura medical grade power supply with the following upgrades below.

 

-Change output connector to gold plated XLR with very high voltage rating (same termination as HDPlex)
-Upgrade DC output cable with high quality pure copper wiring
-Upgrade diodes with Schottky design with years of listening tests with different models
-Upgrade internal wiring with high quality solid core pure copper wiring
-Upgrade output transformer with 100VA Toroidy audio grade transformer
-Upgrade stock fuse with improved dynamics and musicality

 

Lira network station is a perfect companion with Nimitra3 that can provide both network and power infrastructure but you can consider Nikola3 if you have preferred audiophile network switch. It’s also possible to upgrade from Nikola3 (12V) to Lira in future too.

 

CoreStream - Top

 

And here’s the most exciting news for CoreStream owners. CoreStreamOS is ready and this will enable all software features to make CoreStream working in the same way Nimitra and Erawan are operating. This will give a lot of depth into software optimizations.

CoreStream will come with premium streaming platform and receive unique optimizations such as runtime optimizations for Audirvana / Roon that will be introduced in future firmware updater release. I’m working on big platform upgrade with Audirvana now.

 

Anyway, there’s a big reason for CoreStream upgrade. As you may know already that the price of computer components have increased a lot due to Ai demand. The hardware cost of CoreStream got increased to the point that I should have launched CoreStream at $1299 USD.

But I feel bad to just increase the price because the market situation so I decided to turn CoreStream into full fledged streamer with CoreStreamOS and replace Nimitra Classic with CoreStream. Nikola Classic will also be discontinued (You can still order the last batch in this month).

The reason why I have to discontinue Nikola Classic is due to increased cost of parts and I can no longer stock multiple transformers with different voltages since I started importing transformers from Toroidy. Aura can deliver good results at very affordable price too.

I believe Nimitra3 and Nikola3 will deliver endgame streaming quality in your system for years to come after being reborn with Erawan and Lira as reference products. Here are the current price list of current streaming products launched today.

 

Nimitra3 streamer: $2,900 USD
Nikola3 linear power supply: $1,299 USD
CoreStream streamer: $999 USD

 

With increased hardware cost on increased RAM capacity and storage quality, I hope to deliver fairest approach to customers who purchased Nimitra before with flexible upgrade price based on market’s situation. I’ll list Nimitra3 upgrade at $100 USD first and pay the rest when done.

About $300 USD increased on CoreStream, I’d like to clarify that there’s $100 USD worth of software license and over $100 USD for parts cost increased. I didn’t take profit for myself and cover the cost for retailers too. You can return the product within 30 days so no risk at all.

We are moving forward with a lot of changes in this year and I believe we are moving towards the right direction despite the challenges in current market situation. I’m preparing future product line up for years to come that will set new standards for audiophiles.

Added Nimitra3 feedback from Evan Scheele

 in Feedback

 

Nimitra2

 

Here’s a new feedback today. He shared his feedback of Fidelizer Nimitra3 streamer after upgrading from Nimitra Classic as below.

The Nimitra3 is sounding absolutely incredible, Keetakawee! I honestly wasn’t expecting this level of improvement; it’s a cliche, but I’m hearing new things on favorite recordings. It sounds like it cost 4 times as much! I still can’t get over this huge increase in sound quality; it’s better each day! Thanks again, I love the Nimitra3!

I’m happy to hear that he loves Nimitra3 at 4 times as much and happy listening. 🙂