PRODUCTS

RON'S POWER SUPPLY BLOG:

A current trend in audio design is the use of very inexpensive wall-mounted power supplies often referred to as wall warts. They are typically switching power supplies (as opposed to a linear regulated supply) and therefore can be made very small and dirt cheap. Now there is nothing wrong with switching power supplies if done right, but wall warts aren't done right... in fact they basically suck!

Now quite a few of the products that use wall-warts are considered mid-fi by many, but an inferior power supply may be the only aspect of the design that is earning the piece such a low ranking. At Welborne Labs we believe that power supplies can contribute 40% or more of the sonic quality to an audio design. While many think of a power supply as being a possible source of noise, a poorly designed supply can also increase total harmonic distortion, squash transient information, such as dynamics and deep bass, and in general cast a vail over the music.

In actuality, there are many sleeping-giant products out there on the market that just need a little help in the power supply department in order to realize their true potential. The Logitech Squeezebox and Sonic Impact T-amp products are just a few of the very prominent examples. We've had so many customers ask us if our Squeezebox power supply upgrade can work with product X or product Y that we have dedicated this page to serving your needs.

PHONO STAGE POWER SUPPLY UPGRADES

20% OFF SALE

Our Power Supply Upgrade is intended to replace the wall wart power supply that is provided with your audio gear. There are two types of wall warts. The first type is an AC-to-AC voltage converter which drops the house level AC voltage (115V or 230V) down to a usable level. This is just an external power 'transformer' which means the actual power supply is inside of the audio unit. If this is what you have - please see our Transformer-in a-Box web page..

The second type of wall wart is an AC-to-DC voltage converter. This is a real power supply that converts the house AC voltage to a DC voltage, for example: 5 Volts DC at 2A of current. If this is what you got - WE CAN HELP! If your owner's manual does not specify the voltage, in most cases it will be printed on the wall wart cover.

Our upgrade design incorporates a tightly regulated linear power supply featuring low noise Schottky rectifier diodes, low noise, low drop-out voltage regulator chips, Ultra low impedance Nichicon capacitors and a high-current-low-noise-split-bobbin transformer (get it? it's designed for very low noise). Our power supply measures less than 50 microvolts of ripple under full load resulting in very quiet operation with plenty of reserve current for good dynamics.

Additional benefits are obtained with the use of a ceramic fuse, Vishay/Dale 1% metal film resistors, Wima polypropylene bypass cap, and a new heavier gauge umbilical cable between the power supply and audio equipment. The aluminum chassis measures just: 4.25"W(108mm) x 7"D(178mm) x1.8"H(46mm) and is available in red, black or clear silver anodized finish. The AC power cord is NOT included and must be purchased separately.

The sonic results achieved include a blacker background with excellent low level resolution and detail, an expanded soundstage along with deeper and tighter bass. We're confident you will hear the improvement!

Welborne Labs has provided power supply upgrades for the following Phonostages with very good results reported back to us from our customers: SIMAUDIO Moon 110LP, SIMAUDIO Moon LP3, MUSICAL FIDELITY V-LPS, CREEK OBH-15, CREEK OBH-21, NAD PP-2, NAD PP-3, GRAHAM SLEE REFLEX C, GRAHAM REFLEX M, GRAHAM SLEE Revelation, GRAHAM SLEE Fanfare, BELLARI VP130, BELLARI VP530, SOUNDSMITH MCP2, SOUNDSMITH MMP3, SOUNDSMITH MMP4 .

Choose your options below. Available factory assembled for $280.00 or kit for $222.00. The factory assembled version is warranted for a period of three years. If you don't see your device listed, send us an email.

20% OFF SALE

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20% OFF SALE

Factory Assembled Power Supplies are warranted for 3 years.

"The PSU took my V-DAC to the next level. Incredible bang for the buck!" Richard - Sacramento, CA

"I seriously contemplated selling my NAD PP-3 but thought I would try your power supply first. The PSU upgrade was so much cheaper than the Benz and other phonostages I was considering and I'm super happy with the improvement." Terry - Portland, OR

ECONOMICAL MOLDED CABLES WITH SHIELD

Most molded power cables are not shielded thus creating more harm than good! We offer these very good quality shielded power cables with molded ends at affordable prices. Shielding your AC lines can make a noticeable improvement without spending a lot of money! Available versions for the U.S., Continental Europe, the U.K. and Australia.

molded power cords

Black 2 meter shielded cable with molded plugs.

welborne labs power cords

Welborne Labs Factory Assembled Power Cables. U.S., Australia and Continental Europe Versions. Available in 1, 1.5 and 2 meter lengths.