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Handcrafted Audiophile Linear Power Supply by Kenneth Lau


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Custom build Audiophile Linear Power Supply for your CAS gears, PC-ATX, Hi-Fi gears...etc.

 

All PSUs build with audio-grade custom made O-Type transformer(7N OFC copper or OCC silver-plated copper), ultra low noise regulator, Hi-grade parts

 

Current rating with your choice from 1A to 12A Max

 

Over 70 PSUs shipped all over the world already, and got many good reviews!

 

If you feel interested in it, please feel free PM or e-mail to [email protected] for details and price quotation, thanks!

 

Best regards,

Kenneth Lau from Hong Kong

Kenneth's DIY Workshop

 

Attached some photos of my handcrafted LPS

 

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Dear jtwrace,

 

A LPS with a encapsulated 100VA 7N OFC copper O-Type transformer at 12VDC/5A single output is USD380, the encapsulated OCC silver-plated copper O-Type transformer version is USD470.

Chassis size: W220 H70 D300

 

Shipping cost and PayPal charges not included in the quotation.

 

All PSU standard with OCC silver-plated hook-up wire, a 1.5M hand-braid OCC silver-plated DC cable, Furutech FI-03R IEC AC inlet, Bussmann fuse.

 

Thanks for your enquiry.

 

Best regards,

Kenneth Lau

Kenneth's DIY Workshop

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Due to limited time for DIY work and easier to handle the orders, I am now only build the following LPS for overseas order, sorry about that.

 

1. Audiophile Linear Power Supply for Lumin - encapsulated OCC silver plated O-type transformer version

 

2. Audiophile Linear Power Supply for Synology/QNAP NAS - 12V/10A max

 

3. Audiophile Linear Power Supply for Wadia 121

 

4. Audiophile Linear Power Supply 3-outputs - 12V/3A, 9V/3A, 5V/3A

 

5. Audiophile Linear Power Supply for SBT

 

Interested parties, please send enquiry to [email protected] for details, thanks!

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I am basically interested as well and contacted him a couple of days ago via PM, but no answer (yet).

 

Besides which models are available there are a few other questions I first like to have some feedback on:

- How about compliance with EU safety regulations? (I am in Germany)

- What is the return & refund policy in case the item does not match my expectations?

- How about warranty and service?

 

I understand its a private project, but everyone must have a statement on above issues before going public I think ...

 

Dear sir,

 

Sorry for the late reply, cos heavy workload of the day time job during the Chinese Luner New Year.

My PSU is a DIY product, so it is not compatible with the EU safety regulations, but I am sure the product is safe of course.

Product cannot return or refund if not suit your taste.

One year labour and parts warranty will be provided, but not include the shipping cost.

 

Thanks for your enquiry.

 

Best regards,

Kenneth Lau

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Would you recommend you Power Supplies as a replacement for a laptop power adapter? I'm currently using a laptop as a music server.

 

Would you mind to provide what voltage and current rating you needed for your laptop?

Thanks!

 

Best regards,

Kenneth Lau

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Thank You Kenneth for a great PSU. The Service and package was perfect and thank you for the great EMS parceltracking. It took only 4 days to Germany. The sound with the lumin is better now and I would always recommend your PSU.

 

Dear Ole,

 

Thanks a lot!

 

Best regards,

Kenneth Lau

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  • 1 month later...

Sorry that I haven't updated my post for a long time due to my heavy work in the orders of Lumin's PSU from USA.

 

Let see a dual outputs with 12V/3A+5V/3A Lnear Power Supply ordered by a Germany customer! Is ready to ship!

 

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Lumin A1 and my handcrafted PSU got a very good comment from the president of Shunyata Research, Mr. Caelin Gabriel!!

 

See the link below:

Any Pixel Magic's Lumin network music player users here ? - Page 2 - AudioAficionado.org

 

Quoted from AudioAficionado.com

 

We have three Lumin music servers. Our current reference room system consists of KEF LS50 speakers and an Ayon Crossfire amplifier. The source includes a Mac Mini music server, Drobo disk array and Bel Canto reference stack.

 

While the Lumin is a very nice sounding server it does not transcend the Bel Canto stack and certainly is not better than a dCS Puccini (at least in this system). I would characterize its sound as pleasant and non-offensive. There is no digital harshness. The bass is full bodied and rich but somewhat muddled. Don't get me wrong - I really like the Lumin and use them for listening in my home and reference system.

 

SETUP:

Many people have already spoken about the setup. I recommend that you find a good IT guy to help you if you are not good with computers and network setup. It was a bugger and I had an ex-Boeing IT guy to install it. The problem is not technically with the Lumin but with the setup of the network disk server. We used a QNAP which worked fine once everything was installed correctly. Technical support from Lumin is first rate (in US). They are very helpful and friendly people.

 

OPERATION:

The app is one of the best I have used. Very easy to use. Playback is almost instantaneous (less than a second). I have not found any clicks or inter-track noises or other anomalies even when playing DSD files. A suggestion would be for Lumin to provide a good app that tags the music files and handles cover art. This is especially a problem with DSD (.dff) files.

 

UPGRADE: The Kenneth Lau power supply

This power supply is a definite upgrade to the standard Lumin power supply. It substantially improves dynamic contrast and reduces opacity. It cleans up the bass significantly and improves pace, rhythm and timing. I did not hear any downside to vocals or anything else for that matter. All positives and worth the price. If you are looking to replace a top transport and DAC you will want this power supply.

__________________

Caelin Gabriel

President

Shunyata Research

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Silver-Plated OCC O-Type Isolated Transformer with optional Carbon Fiber Top-plate upgrade

 

Supreme quality 850VA Silver-plated OCC O-Type Transformer used

Furutech FI-06® IEC inlet and GTX-D® output

AC Input 115V or 230V

Isolated AC Output 100V or 115V or 220V or 230V

 

Size: W220 H90 D310mm

 

 

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  • 3 weeks later...

Flagship Linear Power Supply Unit!

Dual DC output model, 12V/10A(For NAS) & 12V/2A(For LAN switch)

Silver-plated OCC O-Type transformer, Mundorf M-Lytic HC+ 4-poles Capacitor, Mundorf M-Lytic AG Capacitor, 4N silver hook-up wire, 4N silver DC cables with Oyaide barrel plug.

All new Carbon Fiber top cover & copper base plate installed!

 

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  • 2 months later...
How much to have made without the Carbon top, and have 2 dc socket on the back?

 

Actually, you need a Isolated Transformer or a Linear Power Supply?

If you need a Linear Power Supply, what is the voltage and current you needed for each DC output?

Thanks!

 

Kenneth Lau

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See this! The extreme version for Lumin T1/A1/S1!

Latest and the finest LPSU for Lumin!

Oversized ultimate O-Type transformer used! Silver-plated OCC for primary and 4N silver for secondary!

Supreme Mundorf M-Lytic AG+ capacitors, Mundorf M-Cap silver oil filter capacitor for AC input filtering.

4N silver hook-up wire, 4N silver umbilical cord with carbon fibre jacket.

Custom made chassis with copper base plate upgraded!

 

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  • 2 weeks later...
  • 1 month later...
Hi Kenneth,

 

Please quote a LPSU OFC copper O-Type transformer at 5VDC/5A single output, shipping by regular airmail to postal code 04726-220. Inform weight and dimensions.

 

Adolfo

 

 

Dear Adolfo,

 

Sorry for my late reply, please check your pravite message, thanks!

 

Best regards,

Kenneth Lau

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