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Our Rocky Mountain Audio Fest 2007 System

Wednesday, October 3rd, 2007 by Mike

… is shaping up…

We are now running the Emmlabs CDSD transport through 10m long optical cables to the DCC2 DAC/Pre into the Marten Coltrane Supremes Crossover/ Bass amp into the Audio Note Ongaku and finally to the Marten Supreme speakers.

The key is that the cables are all Jorma Design Prime and one Stealth INDRA interconnect. Less cable, better cable, sound.

Now. This sounds better. But is REALLY sounds better running the DAC direct to the Marten box, not going through the DCC2’s preamp.

When I say ‘really sounds better’, it is both somewhat subtle and somewhat not subtle at all. There is an energy that was present without the extra preamp in the loop that was amazingly hypnotic… but it is hard to hear this when just listening to frequencies and dynamics and other audiophile-type attributes. I guess that is why we call it magic.

Anyway, without the preamp, to change the volume requires changing the main tower volume on the Ongaku and the bass volume on the Marten box. We are running with unity gain into the Marten box, but the bass volume knob works really well. Neli think this is too weird for a show. I think it is no weirder than having two knobs, one for each (left and right) channel, We just have a top and bottom channel instead.

But is is a pain to walk up to the front in a large room like we have at RMAF and adjust the volume all the time, along with syncing up the bass volume to the midrange volume - so it is unclear if we will use the optimized setup at the show (and we want to support use of a turntable as well). But when we get back… This is just too good to pass up.

………and then perhaps swapping out the INDRA for more Jorma ‘Prime’ cable, or Nordost ODIN, or Audio Notes new SOTTO …. How much fun! :-)

Preparing for RMAF 2007

Sunday, September 23rd, 2007 by Mike

The Rocky Mountain Audio Fest here in Denver is just around the corner. October 12th I think. I hope. Better go look I guess.

Anyway…

We are planning on taking the Coltrane Supremes, like last year. But this time using the Audio Note Ongaku integrated amplifier to drive them. ‘How Sweet it Is!’

We were using the Edge Reference ‘pyramid’ amps you see there in the photo, but not any more, so just delete them somehow with your visual cortex.

The sound is quite sweet and beautiful, the first time we’ve really achieved this with the Supremes (they are finally breaking in, hurray!), which are, to put it simply, the only competent speaker made today. All other speakers have serious flaws in comparison. Not that people don’t LIKE some of the flaws in those other speakers, and they’ve certainly got used to them, but, well, there you have it.

The source equipment consists of the Meitner CDSA and the Audio Note M10 preamplifier. We’re thinking the system may be a little too laid back and are planning on replacing the Shunyata Anaconda Helix Vx with Nordost Valhalla power cords, something closer to the Belden OEM cords the factory recommends :-) , to try to get the system to lively up itself a little bit.

I mean, it is close, but people at shows… its hard to figure them out. Some want rooms to be LOUD and IMPRESSIVE (esp. in this price range :-) ) some want it to be REAL, … etc. just like they do with their own systems. And our goal, and I think we can achieve this, is to make it excel in all categories.

The problem is in the subject flavor - how to flavor the system right… down… the…middle.

To please as many people as possible. And us too! :-)

And then there is the let’s just take the EMM Labs CDSD and DCC2 and the Ongaku and be done with it. No preamps, no second rack. No turntable. No second digital source. … Mt arms feel better already :-)

Of course, there is our second room, the Audio Note room. But that is a small room, a decent-sized system, and adds only a few gray hairs to the noggin.

CEDIA 2007 Day 1 Photos

Thursday, September 6th, 2007 by Mike

Still no broadband from comcast. Maybe tomorrow. So no large juicy pictures tonight… but here are some nice little tasty ones.

I thought there were more people this year, but after covering more of the show floor, there were strange concentrations of crowds [mostly congregating right in front of the booth I want to photograph, of course:-)], so perhaps it is only about the same. Thursday was kinda slow last year, so we’ll see.


The McIntosh M110 turntable. I think this is new - at least I have never seen one before… so it is new to me!


Another photo… the platter glows with a purple-ish blue-ish tint - which this photo tried to capture. Static display only… like most things at CEDIA… so do not know how it sounds.


Savant had a few of their innovative user interfaces on display. This was a 40 inch LCD touch panel that you could use your finger to tap on or drag around the screen in order to organize and play your collection of movies and music.

Most of their LCDs aren’t this big, they had a number that were around 8 to 12 inches.


Then again, they had this coffee table sized.. coffee table… that was the screen. Not sure what happens when you place your beer on a song when you are watching a movie… but it is so cool! No more remotes on the table, the table IS the remote.


The new Sonus Faber ‘Elipsa’ speaker. THE front.


THE rear. Serial #00001.


Finally, we got some photos of the new Nordost ODIN interconnect. Note the signature decorative wooden block.


It is quite a bit thicker than their Valhalla interconnects.


And the Odin braiding is different, more regular, and appears tighter.


More Odin’y eye candy


And more…

A lot of the show looks just like last year (and CES this January). Kind of dissapointing. But, like the stuff in this post, there are some new goodies. And, you know us, we like the goodies :-)

Kharma Mini Exquisites, Audio Note Ongaku, and Jorma Design Prime

Sunday, July 29th, 2007 by Mike

I hesitated a long time to write this post. After all, I first thought that the Audio Note just did not drive Kharma very well, especially when the Kegon amplifiers just did not drive the Kharmas to distraction - which they had with every other speaker we had tried them with.

With the Audio Note Ongaku, the Minis were well driven, surprise! and the Minis were able to fill up our large room with sound [more surprise!] , including bass, very nicely thank you. In fact, it was the best we had ever heard the Mini Exquisites sound.

Even though many people who heard this system thought it was the best system we had here, for their taste, [as some did with the AN SEC Silver Sig speakers in this system previously], some of our test tracks, like the 1st cut on the SACD version of Santana’s Abraxus - just did not lite our fire like they had with the previous, Very Large reference speakers we had in our main room.

Then Neli put the Jorma Design ‘Prime’ speaker cables on the system replacing the Valhalla [No, we havn’t heard the Odin yet… tick tock tick tock…]. Usually these cables add detail and ambiance and coherence - all those ‘cable-ish’ things - which these did again. But…

They seem to also now let through more dynamics, like there is more power coming from the amps. The sound wave front is much more bloomier, larger (and it was pretty big before) - the ‘color’ of these cables, orange-ish in my mind - just ADDED to the color of the Ongaku and Kharmas, both exemplary examples of what controlled-color-machines should be themselves.

With the Meitner CDSD/DCC2 digital and 10m Valhalla interconnects as source - the system was given a very pure signal.

Anyway, this is the first system where the sound rivals that of the previous system with those Very Large [Acapella Triolons] speakers… and in such a small package, too!

The soundstage is as wide and about as tall as the 7 foot speakers [except when those other speakers put the soundstage up in the rafters, which it did if you were sitting low in the listening chair] - but more firmly fixed in place.

The resolution is better - something for which the Kharmas have few peers.

The color is ‘better’, which is to say that there is more of it [in general we like a neutral sound, but not too neutral, and this lies pleasantly within our preferences].

The wrap-around sound is better - don’t know why that would be… maybe the Ongakus which we never tried on the previous setup.

The bass is, of course, not has powerful (compared to 8 10 inch woofers, surprise) but it is satisfying enough that we only miss it sometimes [and can you say… ‘Midi’ Exquisites … with their 4 large woofers? I knew you could :-) ]

The dynamics is not the same, compared to that of the 30 inch and 20 inch horms - but it is only in very loud complex passages that it becomes a fault. The punchiness of the amp, and the broadband nature of the Prime cables, seems to make up a lot of ground with respect to the difference in efficiencies.

The only nit I have is that there is the slightest reticence in the mid bass somewhere - and we do not know if this is a characteristic of the speaker, speaker-amp combo, or perhaps lack of adequate vibration control on the source equipment…

So anyway - this is cool. We’ve had a number of people up here who are picky [you know, EVERYbody is picky - what is with that? :-) ] and they seem to agree that this ain’t too bad sounding. So we aren’t going insane. Too much.

What does it mean that one can get much of the benefit of large efficient speakers with a properly driven small speakers [add a subwoofer for that lowest octave, which no speaker can do anyway unless it is the Marten Coltran Supremes - which will be up here presently]?

It might mean that there is a conservation of system cost - you spend it here or ya gotta spend it there - move the money from speakers to amp and cables. But this isn’t exactly true, as expensive speakers needed expensive equipment as well.

It might mean that, given money, you can chose to have a few constraints, like being able to see out the windows - and still have world-class sound.

Or it might just mean that Neli and Mike just got lucky and that there is no deep meaning here at all.

Yeah, that is probably it.

Oh well, party on dudes and dudettes.

P.S. Here we have Neli’s solution to holding up the Elrod power cord going into the Ongaku. Too bad I tore up my Harry Potter box from Amazon in a rush to get the latest book out - we could of used it instead to add a little ‘magic’ to the system… ;-)

THE main system: Audio Note, Nordost, Rix Rax and Emmlabs

Sunday, April 15th, 2007 by Mike

These speakers, this system, actually does fill up the room with sound. It is amazing.

Not quite the easy open bass the Triolon bass towers had- but few systems have THAT large of a sound.

But the bass goes down on both this and the previous system to about the same frequency, and with about the same resolution… so there ARE similaritities.

And here, the soundstage is a more reasonable 6 or 7 feet tall, instead of 20 feet - so it is, as always, about tradeoffs. And at about 1/4 the price… we are happy with this being the primary system… for awhile.

I will have to take more photos of the Ongaku on the Rix Rax outpost amp stand. It was just a kind of accident that this got set up this way - the HRS going out on a local audition this week - but this looks really … farout man.

The two are about the same size and it is as if were made for each other. And Neli polished up both of them, which doesn’t hurt the visuals either.

Sonically… we are playing with power cords and have a $2 OEM cord on the Ongaku to establish a frame-of-reference… so can’t say anything yet.

Interconnect Shootout: Nordost Valhalla Neutrix vrs. Valhalla WBT vrs. Audio Note Sogon vrs. Acrolink 7N-DA6100

Sunday, December 31st, 2006 by Mike

The setup
The test consists of swapping out various interconnects between the outboard crossover of the Marten Coltrane Supreme loudspeakers and the Audio Kegon amps that handle the frequencies above 100Hz. Picutred you can see the gray Audio Note Sogon interconnect in place.

The Acrolinks
The Acrolinks.

The Acrolink interconnect up close
The Acrolink interconnect up close. These connectors are massive, and I believe this the only connector they come with. Very substantial and secure fitting things they are.

The Valhallas
These are the two Nordost Valhalla interconnects side by side.

Part of this test was for us to see… hear… the difference between these two connectors. Was it all just hype?

The Valhallas

The Valhallas with the new WBT connectors
We are not so sure about these connectors. They seem to pick up ground loops like nobody’s business. It is possible, and quite frequently the case, that:

* they are on too tight or too loose, in which case they either appear to be broken (aka no sound comes out) or

* they generate a large ground hum because they are not grounded at all (the area of contact on the target connecting post is dirty? or perhaps they are just too loose), or

* they pick up a small ground loop hum because they are only partially grounded (perhaps the connector is so thin that it needs its own shileding….?)

The WBTs up close
The WBTs up close

The Valhallas with the old Neutrix connectors
We love these old connectors. You put them on, they stay on. They feel secure. They don’t wear out after many, many uses.

The Audio Note Sogon interconnect
The Audio Note Sogon interconnect

The Audio Note Sogon interconnect
The Audio Note Sogon interconnect

The Shootout.

From one extreme to the other:

*** The Acrolink 7N-DA6100 - $4995 ***

Very clean. the cleanist sounding of this bunch (but not as clean as the Jorma Design Prime, at $2K more!). Very detailed and lovely air. Midrange is clean with perhaps a little too quick on the top of the note attack and on the decay. Bass is good.

*** The Nordost Valhalla with the WBT connectors - $4000 ***

Rounder than the Acrolink, more body. Also more veiled than the acrolink. Smoother because of it but there was also a whisp of a feeling of the music struggling to get out.

*** TheNordost Valhalla with the old Neutrix ***

The midrange frequencies are more laid back, a little more veiled. A little less midi- and micro dynamics in the midrange as well, compared with the WBT solution.

How subtle is the difference? In my mind I keep thinking 10% - whatever that means. I think it means that if the WBT was 100% better than it would be twice as good. In the midrange. In terms of these attributes.

In this test we did not get the dreaded ground loop hum with the WBT and we did prefer the WBT solution. The slight increase in resolution and slightly more presense in the midrange - was nice, and appreciated

*** The Audio Note Sogon - $2725 ***

The midrange was quite similar to the Vahalla in terms of detail and resolution, but with more color and subtle harmonic content. The bass was a little muddier than the other cables but a little more natural. The highs not as prestine as the Acrolink, and similar to the Valhalla in quantity but a little more natural in quality - i.e. not so much going for the ability to spotlight each detail in the treble, which I know many people like (including us, sometimes :-) ), but instead makes the details more integrated into the overall sound stream.

For this system, in its current state of break in (its making good progeess, finally) with the all Audio Note front end, we left the Sogon in place. It made the system much more musical to listen to, at least at this time.

There is a 5 meter Valhalla interconnect (Neutrix) between the linestage and the amps.

Swapping this out for, say, Sogon, or Acrolink even, would *probably* make the sounds of the various setups with these various cables more reflective of the underlying strengths and weakness of these cables.

[Is this always true? That a system cabled throughout with just one kind of cable will always highlight both the strengths and weaknesses of that cable? I know many manufacturers and dealers say you MUST use just their cable for your whole system to get best results. And I can agree with this if their cable is way better than what is currently in the system.

But what about using various cables as ’spice’? I know that the word ‘tone control’ is a pejorative thse days, but until we get the perfect wire, all cables, including the lauded Belkin power cords, will be tone controls, like it or not. And so, taking this reality into account, I propose we must carefully, and consciously, spice our system with various cables lest we get something that tastes salty, …or like poop ;-) ]

The Kharmas, the ML2.1 too, the Audio Aero Prestige, the HRS racks and their bases, the Elrod, Shunyata and Jorma Design and the rest, all here on …

Thursday, August 24th, 2006 by Mike

Picture of entire system
Picture of entire system with Kharma Mini Exquisite speakers, Lamm ML2.1 amplifiers and Audio Aero Prestige CD/SACD player on HRS M3 isolation bases and MXR equipment rack. Cabled by Nordost Valhalla and either Elrod Statement power cords or Shunyata Anaconda Alpha Helix power cords.

Picture of entire system with one Kharma Mini Exquisite in foreground

Kharma Mini Exquisite from above
Kharma Mini Exquisite from above.

Sonically, this isn’t a blow-us-away system compared to the same system with the Marten Design Coltrane speakers. It is very nice and enjoyable - but not surprisingly so. Maybe our expectations were too high. Is it wrong to be so spoiled? At what point does our addiction get so out of hand that we no longer represent the average guy or gal? Oh, you are saying we passed that point a long, long time ago? Oops.

We still have to work on the positioning - and we are planning on moving the EDGE solid-state amps over on this side of the room - they being so successful on the other side on these Mini Exquisites, and switching back and forth.

Speaking of switching back and forth….

The power cords powering the ML2.1
The power cords powering the ML2.1.

The power cords powering the ML2.1

The power cords powering the ML2.1
The power cords are the Elrod Statement III (the big ones) and the Shunyata Anadonda Helix Alpha (the red ones). The speaker cables are the Nordost Valhalla. This could be abstract art if it wasn’t so functional.

The Shunyata lends the system detail. The Elrod body and bass. If we are being picky we switch them for each song, depending on what we think will sound best. Though waiting for the Lamm amps to restart after switching power cords - waiting through their 90 second power-on cycle - is long enough for husband and wife to get a chance to talk to each other……

MXR equipment rack
TheHRS MXR equipment rack is looking a little empty. And missing the top shelf. That Audio Aero is doing source and premaplification duties - what used to take four shelves now just takes one.

Close up of MXR equipment rack top shelf missing
The top isolation base was out on loan - and now that it is back it is being repurposed elsewhere we are going to move the Brinkmann Balance turntable over on to the MXR equipment rack…. leaving just the Walker Proscenium Gold Signature TT on the RixRax / SoundLab system.

Jorma Prime interconnect burning in on Nordost Vidar burner
Finally, we are anxiously awaiting the conclusion of our Jorma Prime interconnect burning in on the Nordost Vidar burner.

Tick tock tick tock….

System #3: Marten Coltrane, Lamm ML2.1, Jorma Prime, HRS MXR

Saturday, May 27th, 2006 by Mike

The System: Marten Coltrane speakers, Lamm ML2.1 amplifiers, Jorma Prime speaker cable, HRS MXR equipment rack. Also Lamm L2 preamplifier, Audio Note CDT-Two and DAC 4.1x Balanced. Nordost and Shunyata cabling.

We mentioned how amazing this was sounding in our review of the Jorma ‘Prime’ interconnects.

What does does amazing mean?

Here is what amazing means:

The Coltrane speakers are so freakin revealing… The Jorma Prime cables are slightly more forward than their No. 1 and even the Valhalla, and this new effect was already taking hold. Now, with HRS’s MXR rack [we set it up yesterday, much more on this later :-) ] in place of the Acoustic Dreams, the system sound is even more ‘present’.

We kind of take it for a given that the Coltrane speakers are a little laid back - given the highest quality, completely neutral components up front. But maybe not…

Witb these two new, admittedly over the top, additions to the system… the sound is much more of a engulfing, in the room type of experience.

Our good Canadian friend, Dave H., [you there Dave? Missed you in Monteal] used to talk about how he wanted the sound to come to him, to not have to focus on listening to what was being played, to have the sound ‘take control’ [my words] as it were.

The system was already subtley sinister in the way it would sneak up on a person and make one stop mid sentence, whether one wanted to or not, as the music Took Control.

But now, …

It is hard to move, much more hard to get up.

It is like ‘if I miss this next note, my life will have been worthless and empty’… ‘I must hear this next note!’

I think this house is going to be much more quiet now… because if we start playing any music, we aren’t going to get ANYTHING done.

[Though I am much more disclipined than Neli, and this system is on the same floor as her office. She, she is doomed. So if you can’t get her on the tele as easily as you could before today, you’ll know exactly why!]

And the new Audio Note CDT-Three transport just arrived. We are doomed! :-) :-) :-)

Nordost Valhalla Power Cord

Sunday, March 12th, 2006 by Mike

[This post was split off from the previous post, as it was on a totally different topic. Don’t know WHAT I was thinking at the time….]

The Nordost Valhalla power cord
The Nordost Valhalla power cord

The Nordost Valhalla power cord
Not your ordinary Beldon-fabricated conductor: Closeup of the Nordost Valhalla power cord.

The Nordost Valhalla power cord
Really close.

Amazingly enough, these cords have the same sonic signature as the Nordost Valhalla speaker cables and interconnect. I guess this is how they had to construct them to accomplish that.

Picture Medley

Thursday, March 2nd, 2006 by Mike

Just some fun pictures we had laying around on the hard disk…

Closeup of Marten Coltrane
Closeup of the diamond tweeter and ceramic midrange of the Marten Coltrane speaker. This is the walnut version of these speakers and the wood is starting to take on a nice rich patina as it ages.

Edge NL Reference
The Edge NL Reference 800 watt ‘pyramid’ amplifier. This picture really captures the sleek metalic look of the amplifiers.

Closeup of Edge NL Reference
Closeup of the top of the Edge NL Reference 800 watt ‘pyramid’ amplifier. Here you can almost see how nice it is to touch these amplifiers, the powder coating feeling very nice, almost soft, to the touch. The cap on top and the way the sides are fastened makes the amplifiers water tight (and maybe even dust tight, which would be nice… see below).

The EMM Labs Meitner DCC2 at dark
The EMM Labs Meitner DCC2 at dark on an HRS M3 Isolation Base. This picture captures the color-coding of the buttons nicely, as well as showing a how the volume knob is so much fun to turn by hand.

The Lyra Titan cartridge
The Lyra Titan cartridge on a Brinkmann tonearm. This picture does not show it perfectly, but there is this feeling of the loooong tonearm snaking out fron the depths at the back of the turntable, the head ready to strike with it diamond tooth into the platter.

Closeup of the Brinkmann tonearm
Closeup of the Brinkmann tonearm. Ah, engineering. Lovin’ it.

Closeup of the Lyra Titan cartridge
Closeup of the Lyra Titan cartridge. Dust. There are lots of little dust particles, perhaps hairs from the wool carpet. They do not look serious enough toimpact the sound. But they are everywhere…

The Blue Magic Diamond cartridge on the Walker tonearm
The Blue Magic Diamond cartridge on the Walker tonearm

The Blue Magic Diamond cartridge on the Walker tonearm
Closeup of the Blue Magic Diamond cartridge on the Walker tonearm. More dust particles.

The Brinkmann Balance turntable control buttons
The Brinkmann Balance turntable control buttons. Left is 33 rpm, right is 45 rpm, center is OFF.Sometimes we turn it on and off just for the fun of touching the buttons.

The Nordost Vidar cable burn in device
The Nordost Vidar cable burn in device. More pictures from the post a few days ago.

The Nordost Valhalla cables on the back of the Marten Coltrane loudspeakers
The Nordost Valhalla cables on the back of the Marten Coltrane loudspeakers. I like the reflections of the cables and binding posts in the shiny carbon fiber on back of the Coltrane.

The Nordost Valhalla cables on the back of the Marten Coltrane loudspeakers
The Nordost Valhalla cables on the back of the Marten Coltrane loudspeakers. More reflection. These are the EU-safe WBT binding posts.

The Nordost Valhalla cables in sunlight
The Nordost Valhalla cables in sunlight. I like the pattern of shdows the various layers of conductors make. When this picture is blown up large, this looks like a work of abstract art. Or maybe industrial art.

Closeup of the Nordost Valhalla cables in sunlight
Closeup of the Nordost Valhalla cables in sunlight held against the blue sky. You can really see how the cable is constructed. As desribed on the Nordost website:

“Each conductor is made from optimized diameter solid 99.999999% oxygen free copper that has 78 microns of extruded silver on the surface. The surface of each conductor is highly polished before a high precision Micro Mono-Filament wrap is applied.

The Micro Mono-Filament is helically wound over the conductor. A precision FEP jacket is then extruded over the conductor. A number of proprietary methods are used in this difficult and extremely precise manufacturing technique that reduces dielectric contact by a factor of more than 80%. Extremely mechanically stable, the conductors are effectively suspended in inert air, preventing oxidation. ”

Well, hope this all was as fun for you as it was for me!


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