Harmonic characteristics of the larger amps

February 5th, 2010 by Mike

[Yep, this blog was down yesterday morning - have no idea why except that it was not us who were responsible. One of the few times these days where I can pt fingers at someone else for a change! :-) ]

Here is where we are currently with the dynamic side of things…

// MICRO < - less .... more ->
VTL - Soulution - McIntosh - BAT - CAT - ARC - Pass - Boulder - Krell - FM Acoustics - Spectral - Halcro - MBL - Ayre - Sanders - Goldmund - Edge - Vitus

// MIDI < - less .... more ->
VTL - BAT - CAT - ARC - McIntosh -Vitus - Edge - Sanders - Goldmund - FM Acoustics - Pass - Ayre - MBL - Spectral - Halcro -Krell - Soulution - Boulder

// MACRO < - less .... more ->
Spectral - Vitus - Edge - Ayre - Pass - CAT - Halcro - Sanders - Goldmund? - FM Acoustics - MBL - McIntosh - Krell - Soulution - ARC - Boulder - BAT - VTL

Let’s look at harmonics. We might want to think about this by looking a several aspects of harmonics: about harmonic color, purity and resolution? Guess I am kind of assuming that the amps are tonally accurate, otherwise… otherwise they probably shouldn’t even be on the list? Are all these amps really tonally accurate up and down the frequency spectrum?

Harmonic Color: amount of harmonics (opposite of ‘lean sounding’):

// COLOR < - less .... more -> FIRST PASS at this list - there WILL BE CHANGES
Krell - VTL - ARC - FM Acoustics - Pass - Boulder - Vitus - CAT - BAT - Soulution - Halcro - Goldmund - Spectral Sanders - Edge - Ayre - MBL - McIntosh

Harmonic Purity: lack of contamination of fundamental harmonic with other odd and bizarre harmonics (i.e. a tuning fork compared to a steel barrel - they might both primarily resonate at the same harmonic, but… one is purer than the other). I think solid-state amps do better here than many of the tube amps - which are often all over the place w/r to harmonics.

// PURITY < - less .... more -> FIRST PASS at this list - there WILL BE CHANGES
VTL - ARC - McIntosh - BAT - CAT - Krell - Pass - Boulder - Soulution - FM Acoustics- Halcro - Vitus - Goldmund - Spectral - Sanders - Edge - Ayre - MBL

Harmonic Resolution: amount of subtleties in the harmonic - most real instruments, like a pluck on a guitar or striking of a piano, have lots of things going on besides the harmonic (and its fundamentals) at one single freq of the note.

From Wikipedia: “The untrained human ear typically does not perceive harmonics as separate notes. Instead, they are perceived as the timbre of the tone. Bells have more clearly perceptible partials than most instruments. Antique singing bowls are well known for their unique quality of producing multiple harmonic partials or multiphonics”

// HARMONIC RESOLUTION (detail) < - less .... more -> FIRST PASS at this list - there WILL BE CHANGES

OK. So what do you think?

AXPONA ANNOUNCES ITS SECOND ANNUAL HIGH PERFORMANCE AUDIO SHOW FOR SPRING 2011

February 1st, 2010 by Mike

AXPONA ANNOUNCES ITS SECOND ANNUAL HIGH PERFORMANCE AUDIO SHOW FOR SPRING 2011
Greetings!

DAYTONA BEACH — With just under five weeks before attendees come through
the doors of Jacksonville’s Wyndham Riverwalk Hotel for the first annual AXPONA High
Performance Audio Show, the show’s sponsor, Audio Expo of North America, has
announced the second event, scheduled for Spring, 2011.

Audio Expo, whose debut event will take place March 5-7, will showcase the latest-and-greatest in high performance home audio for an expected more than 4,000 enthusiasts from all over the country and around the world.

“When we decided to launch AXPONA, nearly a year ago, we felt there was a need
for this kind of show and we hoped it would succeed,” said Andrew Spaulding,
AXPONA president, “but we did not anticipate the tremendous enthusiasm from
exhibitors and the public that we found.” Many of our exhibitors, as well as those
who were unable to show this year, suggested that we make this an annual event,
Mr. Spaulding added.

The show’s early success has provided an unexpected opportunity, Mr. Spaulding
continued. “We’ve gotten the kind of buzz you really want,” he said. “The folks in
Jacksonville want us back - and we’ve been approached by some other cities, as
well. While I can’t tell you specifically where we’ll be next year, I can tell you
that the show will be in the Southeast in the spring.”

Audio Expo North America’s mission is to further the faithful reproduction of music.
Its outreach, by education and demonstration, is to dealers and consumers. It is
dedicated to the proposition that living with music is different and better than living without music. The organization’s first event, AXPONA, is scheduled for March 5-7,
2010. For further information, visit the AXPONA website: www.axpona.com
We would like to offer a very special thanks to Stereophile Magazine for all the efforts they have put forth and the media sponsorship they have provided. We look forward to next years event with hopes they will be as much a part as they are this year.

We want to thank the over 200 manufactures and suppliers as well as the dealers, distributors, and press that have been so instrumental in the future of this event. Attendees are already numbering in the thousands and it is hard to measure the level of appreciation we are feeling.
Sincerely,
Andrew Spaulding

1st Annual Capital Audiofest!

February 1st, 2010 by Mike

1st Annual
Capital Audiofest!

Welcome to the 2010 Capital Audiofest! WWW.Capitalaudiofest.com
The date for this unique event is set for June 11-13, 2010 at the historic Glenview Mansion located on the grounds of the Rockville Civic Center, 5 minutes from downtown Rockville, MD and approximately 10 miles north of Washington DC. The Glenview Mansion is a charming old world structure constructed in the 19th century and is surrounded by lovely parkland and well groomed grounds. The structure is well constructed with stone, brick, plaster, and old growth woods and has high ceilings and hardwood floors throughout. These qualities are near perfect for the reproduction of music and is already a favorite venue for local musical performances. We believe it to be an ideal setting to hold the first ever hi-fi audio show in the capital area. For more information on the room configurations, view the on-line floor plan www.rockvillemd.gov/glenview/ .

We plan to make this a casual fun-filled event for audiophiles, music lovers, collectors, hobbyists, DIYers, dealers and manufacturers and will have table space, booths and rooms available for rent. Families will also enjoy the beautiful setting and great food. The event is expected to attract those interested in vacuum tube and transistor audio equipment, analog and digital playback sources, buying and selling of LP records and CDs, and manufacturers of audio accessories. The event will be catered by high quality food and beverage vendors and plan to have live music performances from well known artists on one or two evenings. Last but not least we plan to offer an audio swap meet on Sunday morning. We hope to provide something of interest to all music lovers!
We hope you can join us for this exciting event!

For any questions please contact capitalaudiofest@gmail.com or Gary Gill at 703-839-5684.

Sorting large amps based on their micro-dynamic capability

January 28th, 2010 by Mike

In the comments section of one of the previous threads we came up with the following list:

Micro Dynamics low to high:

VTL - Soulution - BAT - CAT - ARC - Pass - Krell - Boulder - Spectral - Halcro - MBL - Edge - Ayre - Vitus

The most recent question was where to put the McIntosh amps on the list:

VTL - Soulution - McIntosh - BAT - CAT - ARC - Pass - Boulder - Krell - Spectral - Halcro - MBL - Edge - Ayre - Vitus

A case can be made for swapping these amps around a bit, based on the particular model (for example, the more expensive Edge amps are more expensive than any Ayre amps and also have much better micro-dynamics than any Ayre amps), and the particular speaker being driven. I also swapped Krell and Boulder - I think that better represents the intention of the brand, and maybe reality too.

Amps also seem have better micro-dynamics as you listen to their more expensive offerings (which would imply that all brands may value this aspect of music, just some value it more than others - for some it is a high-priority, and others not so much)

But it serves to give one a sense of the overall ‘company’ sound profile.

That being able to reproduce the subtle delicacies of music, the ability to tell a real guitar from a guitar synthesizer, for example, is not a priority with many amp builders. Especially big amp builders.

Big amp builders often focus only on macro-dynamics, and some on midi-dynamics. Also, as you understand, their is a continuum between micro- and midi- dynamics, as notes can exist ANYWHERE between quite delicate or as part of the melody foreground.

MIDI-Dynamics, least to most (just making a stab at it, this list will probably change as more thought is given)

VTL - BAT - CAT - ARC - McIntosh -Vitus - Edge - Pass - Ayre - MBL - Spectral - Halcro -Krell - Soulution - Boulder

MACRO-Dynamics, least to most (just making a stab at it, this list will probably change as more thought is given)

Spectral - Vitus - Edge - Ayre - Pass - CAT - Halcro - MBL - McIntosh - Krell - Soulution - ARC - Boulder - BAT - VTL

… and then we can talk about DETAILED macro-dynamics, which acknowledges the fact that micro- and midi-dynamics occur at the beginning and end of most macro-dynamic events.

And then a couple of lists to do with harmonic color (McIntosh, ARC, MBL…) and harmonic purity (more or less reverse the macro-dynamics list…!?).

We’ll leave that for the comments or another post…

Acoustic Zen Crescendo and Tri at CES 2010

January 21st, 2010 by Mike

Wherein we go into more detail about the sound at this year’s CES.

First, Robert Lee of Acoustic Zen knows how to set up a room at a show. He knows what kind of sound he is after, and if the amp he was supplied is not doing what he wants, he will put it on static display and use something else that gets the job done.

What this means is that 1) you can go to their room at a show and be pretty certain it is not going to suck. In fact, it will likely be quite good sounding [we’ll go into what good sounding means in this context below], and 2) that the amps he is using are amps YOU can use with these Acoustic Zen speakers and be pretty sure that it is going to also sound good.

Yes, this is indeed extremely rare. By far most rooms (99% or so), even ones we give best of shows to, either A) sound good because they got lucky and the unfamiliar amp from a manufacturer who was the first to agree to share costs of the room JUST HAPPENED to sound good with the speaker manufacturer who was the first to agree to pay some of the room costs or B), the quality of one of the components, or the speakers, is so good that even with mismatched components the room still sounds pretty good.

Acoustic Zen has paired with Red Dragon, Edge, Response Audio and Tri.

Essentially, the Crescendo speakers are full-range Adagio speakers, which were already pretty full-range but were not enough for people with larger rooms or who listen to a lot of classical music and want the lower octaves to sound realistic. The Crescendo has a greater ease of presentation and a bigger, fuller sound.

Which I think is the point of these speakers.

First, most speakers in this price range suck. They are a joke. Few attempt to do full range and those that do usually suck more.

Let’s talk about the ones that do not suck for a minute.

We have the Marten Miles III and Kharma 3.1C. More detail, more transparency, more audiophile, but no where near the authority or frequency range.

The Soundlab A1 has the frequency range, but not the authority unless you really out a mofo amp on it, but if you want a electrostatic then you are probably not reading this post anyway.

You got the Wilson Sophia [not the range or sense of ease], Avalon… not sure which one [not the authority or range], Audio Note [if you have corners available. If you do then this might be a possibility, with careful attention to setup]. Let’s see… what else?

Most people who come here to demo these speakers, to tell you the truth, have just come from auditioning the B&W, Definition, and JM Lab/Focal. They have just been fed tipped up midrange hell and musical slurry. They are rarely audiophiles and we have so little time to demonstrate to them that they are on the road to ‘audio hell’ [when they see $350K speakers, they think we have already arrived at audio nutsville :-) ]. The Acoustic Zen are audiophile-grade speakers, whereas the others are not [sorry]. Which takes us to the next section.

These speakers have what I think of as 2 distinct sounds - depending on the amp driving them. With a Red Dragon amp, or little Kharma amp, these are very dynamic, fairly quick sounding speakers. With Edge amps and tube amps, these are more…tube-like, a little more harmonic and continuous. With BAT amps you can achieve the middle ground - more or less.

We’ve found people greatly prefer either one or the other with these speakers [whereas we do not. We like both flavors of sound].

I think these speakers are for music lovers, not quite so much into the sophisticated sound gymnastics as some audiophiles are [guilty as charged, love those crazy subtle details and intricacies!] , and want a audiophile-grade full-range speaker for an audiophile-grade 2-way speaker price.

Yes, we are back from CES 2010

January 15th, 2010 by Mike

… as you probably know if you visited Spintricity.

We also had a few hours downtime over there - hopefully THAT won’t happen again.

It also looks like we will create a second issue for the rest of the CES Show Reports. With the amount of traffic we are getting - 400 page issues get to be a little large for us to edit and for people to visit simultaneously.

Still waiting for our shipment from Las Vegas to arrive - after which we can spend several hours schlepping it up from Denver and up into the house - and then back to fully operational here again. Whoo Hoo!

The Case Against Show Reports

January 4th, 2010 by Mike

This is a post on Stereophile from 1985 that I found while I was at the High End Audio Channel on Mattters (being amazed that my lowly lazy self generates more content in my spare time than the other magazines - making us look like we are hogging all the attention over there)

Oh, links:

High End Audio on Mattters

Needless to say I agree with J. Gordon Holt’s Rebuttal [first time I ever agreed with that guy, I think].

A show is a beauty contest, and it is about presentation, customer relations, sound, aesthetics, reliability, … EVERYTHING. And from this a person can get a good feel for the quality of a manufacturer and about what they value.

CES 2010 is coming right up, so this is a great (re)post on their part.

CES 2010: Another Show, Another Workout for Mike & Neli

January 3rd, 2010 by Mike

We were originally scheduled to drive out to Las Vegas tomorrow, Monday [it is about a 12 hour drive], setup on Tuesday, and fix any problems and let things warm up on Wednesday.

But the shipment from Audio Note did not clear customs until late New Years Eve. So Monday we spend at the shippers, forwarding things on to Las Vegas and several dealers. Now Tuesday we drive. Wednesday we rent a truck and go pick up things at the shipper and get them up to the two rooms. We figure that by 6pm, we will start unpacking and setting up the system.


Audio Note Gaku-Ons at night

For some reason, I think a lot of people are like this - and wait to the last minute for everything [ALTHOUGH 90% of the exhibitors get it together early enough to have time to ship their stuff so that it automagically appears in their exhibit rooms without them having to lift a finger]

The thing is, we are not like this.

One of the [many] reasons our rooms at shows sound so good is that we allow ourselves time to let things warm up, to tweak things this way and that, to actually listen to the system to see if and where it needs a little love.

We’ll do our best, of course, but this sure ain’t helping my gray hair problem any! :-)


Audio Note Gaku-Ons at night

The CES News Channel

December 30th, 2009 by Mike

Finally, high-end audio is presented side-by-side with the other news from CES.

All on the 2010 CES News Channel

Our posts and photos should be appearing on there both pre-show, show, and post-show.

Audio Note Gaku On at CES 2010

December 30th, 2009 by Mike

We’re taking the Gaku On amplifiers to CES. .


We have a ton of photos. Still will take another ton.

These are not our amps - but suffice it to say I ***WILL*** have these amps for my own, someday. They are just so much better than anything else… except, well, the Lamm ML3 are different. Suffice to to say I ***WILL*** own both someday.

And I usually, eventually, perhaps decades down the road, own everything I want. As do most people, really. It is figuring out what I want that takes for-ev-er. And then figuring out how to focus my efforts so that they are not wasted on silly things like food and vacations ;-)


Yes, a ton of photos. A little bit of confusion about where to post the photos. Here… yes, but they are so small. On Spintricity, it will look great, but if we are not careful, everything over there will be Audio Note - they make such a wide range [aka large number] of good looking equipment.


Maybe I’ll post it over on Luxury Review [a stealth zine where I can say what I want - and be the old exuberant me and then some], then convince Mattters to run it on their luxury channels.

Anyway, the quandary will soon end, one way or the other. Post CES we are going to rethink the publications a little bit. Well, first we will rest and sleep a lot. Then we will do a rethink.