Sutherland phono preamplifier review
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Sutherland Ph3D Phono Stage / Preamplifier
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First, it amplifies the tiny voltage put out by the phono cartridge to a voltage high enough for the amplifier to work with. Secondly, it performs RIAA equalization. Bass is cut and treble is boosted when the lacquer is cut, and this is passed on to the final LP. The phono preamplifier reverses the bass cut and treble boost, and needs to do it accurately, while hopefully adding as little error during the process and as little noise as possible.
Features, build quality and design philosophy differ, but basically they all do the same thing. There are three basic ways to build a phono preamplifier. The most common is based around a variety of off the shelf integrated circuits. Then there are tubed units. The one I lust after is nine grand, give or take.
There are some very inexpensive tube phono preamps on eBay. Those should be especially avoided. Not only are they quite poor in performance, some are actually unsafe. The third way to build a phono stage would be using discrete components- solid state without the use of integrated circuits. Some feel discrete units offer the highest performance.
What sets them apart from their competition is that all of their products are discrete and built in the United States. To the best of my knowledge, they are the lowest priced such designs on the market. Parts come from variety of vendors, with a few non-critical parts coming from China to keep the costs in check. The MM-6 is rather plain in appearance, but built to a high standard.
The only control on it is a rear mounted power switch. I see this as a smart move. Instead of having a phono stage that is jack of all trades and a master of none, the Darlington Labs units concentrate on getting the best performance possible from one type of cartridge.
That same money could be used to enhance the performance of the unit when used with high output cartridges, which is what has been done here. They will soon introduce an active step up device that will allow the use of low output moving coil cartridges with any of their phono preamplifiers. The power supply is built into the MM-6 chassis, and is fed by a step down transformer. The MM-6 is a AC design that operates at 24 volts.
The transformer reduces the volts from the wall down to 24 volts. Additionally, removing the transformer from inside the chassis eliminates the possibility of radiated noise from the transformer to the sensitive audio circuits. Overall, a very smart design choice with no obvious disadvantages. Darlington Labs also offers units that can operate on other voltages as well for those living overseas. What I found most interesting was that the MM-6 uses no negative feedback.
Without getting too technical, negative feedback is often added to a circuit to achieve a couple of goals. It can improve the specs by reducing total harmonic distortion. It can also add stability to an otherwise unstable circuit. They tend to be less musical and less involving- less like natural music.
Better published specs do not always equate to better sound. The Darlington Labs units are a rare breed indeed: they have both zero! I had no issue with getting enough volume with the Dynvector, and the Grado worked as expected.
In fact, no manual is supplied- fancy or otherwise. The back panel has a pair of inputs and outputs, the ground connector, a jack for the power transformer and the power switch. He also said to leave it on for the first 72 hours. I did notice a big jump in performance during the first 72 hours. It passed my first requirement with flying colors. Low noise levels will allow music buried deep in the mix to come through.
A noisy phono stage will rob the listener of some of the beauty that vinyl offers. The MM-6 was far quieter than I expected given its price, and extremely quiet in absolute terms, regardless of price. Tonally, the MM-6 was very well balanced from bottom to top.
Midrange was clean and clear, with extended high frequencies - much more with the Dynavector than the Grado. I had a pretty amazing experience totally by chance one sunny Sunday afternoon with the Grado on the business end of the tonearm. I decided to check out some Nat King Cole. Not only could I tell there were vacuum tubes in the recording chain, but I could nearly feel their warmth.
I knew the answer before Google verified it: the Sinatra album was recorded in at…. I was stunned. On any system, regardless of price. No dice. That combination is flat out amazing. So this is the part where I tell you that the Sutherland wiped the floor with the Darlington, right?
Not exactly. The Sutherland is better. It is quieter- but the Darlington is no slouch in this department. It has better measured performance as far as deviation from a perfect RIAA curve. And with critical listening, it does sound better. But not only did the MM-6 not get embarrassed by the Duo, it was shocking to me how close the two were to one another. The main difference was instrument placement within the soundstage. Where the MM-6 did a really fine job, it was outclassed by the Duo: left, middle and right became more defined- general areas became precise and firmly planted.
Front and rear placement was better with the Duo as well, but again, not to anywhere near the extent that the price difference between the two might lead one to expect. Not only was the MM-6 not embarrassed, it was actually competitive. The MM-6 is underpriced compared to the rest of the market. Keep in mind, the Sutherland does offer excellent MC capability, something the Darlington Labs unit lacks. We offer a V power cube with EU style plug for countries that need it, at no extra cost.
The Sutherland, like other units using a bipolar transistor input stage theirs is integrated into an IC chip produce more noise as the cartridge impedance rises towards the high frequency spectrum, near the cartridge resonance. Users report good results with the MM-6 using cartridges down to 1. Our product roadmap does includes future products, so we invite readers to check our website occasionally for future developments.
We sincerely thank you for the review and interest in our products. Splunders Well-Known Member. HiFi Guy said:. Click to expand Great review, I'm really enjoying my MM I would add that anyone buying this unit should consider customizing the front panel LED. Color Options: Blue is standard. Red , Yellow , Green , or White are available. Brightness Options: Medium is standard. Dim is available, whereby the indicator is not really visible in the daytime in direct sunlight but is truly ideal for non-distracting night-time viewing in a darkened room.
I do most of my listening at night in low-lighting, and I find this to be a little bright. You can always tuck it away.
Sutherland 20/20 MM/MC Phono Stage
A phono preamp aka phono stage raises your turntable's output to make it compatible with modern amps. At the same time, it adds standardised equalisation. So why do you need one? Your turntable either doesn't have one, in which case you won't be able to play records without one. Or maybe you just want to upgrade its sound beyond what's possible with the built-in preamp. As with many product categories, models span all kinds of price ranges.
Reavon UBR-X100
Reavon UBR-X is backordered and will ship as soon as it is back in stock. One of the most contradictory and confusing mentalities we come across is that to which a lot of people - hifi aficionados included - have towards their choice of video source. Where many of us are quite happy to put our all into building the best and most high quality surround sound systems not quite so many of us are even considering the importance of the source! To truly get the most out of your home theatre there is still no beating a high-end UHD player and disc for performance and consistency. This universal disc player has been elaborately engineered for the ideal disc playback. The 1. The result is significantly low noise and even more rigid and stable chassis structure. One of our awesome suppliers has decided to share the black friday specials early covering a wide range of their brands. Have a look here for all of their specials. Please be aware that due to stock limitations we may not be able to supply the products if they are sold out.
Sutherland 20/20 phono preamplifier
Label: Equipment Product No. Equipment Amplifier Phono Pre Amps. Sutherland - Ph. Phono Stage. Description Reviews 1 1 Demo unit left!
Sutherland Engineering 20/20 Phonostage (TAS 215)
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Sutherland Duo
No expense was spared in the design and construction of the Phono Blocks. The Phono Blocks are at the pinnacle of phono preamp performance. It just doesn't get any better. To get there,extra was spent to get premium parts and circuitry into the signal path. Consequently, some expenses were squeezed out of less important areas. Those trade-offs have worked very well.
Der Ring Des Nibelungen
Kansas City has a great history of artistic contributions. Walt Disney had his first studio here. The KC jazz scene is legendary.
Sutherland Engineering
RELATED VIDEO: Ron Sutherland Talks About the Sutherland 20/20 Phono PreampAs with a few others on the market the Phono Loco requires a balanced signal from the cartridge and an XLR terminated phono cable. Now, cartridges are inherently "balanced", with no reference to ground but some tone arm manufacturers, Rega for one, ties ground to the RCA plug's outer ring so an RCA to XLR adapter will not work but others that separate ground SME's DIN connector among others can be used with an adapter and Sutherland supplies one but only for use until you can get a replacement cable or have your arm re-wired if necessary. Why go through this hassle? And why manufacture a phono preamp that can only be used with balanced XLR equipped tone arms? As anyone who uses or has used such a device, which Sutherland calls a "tran-simpedance" circuit, the moving coil cartridge sees a virtual short circuit. The input signal is the cartridge's current output.
Sutherland Engineering Duo phono preamplifier
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