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Benz Micro LP S vs Air Tight PC-1 w/ files

Greetings All,

Having spent the past two weeks comparing the Benz Micro LP S to the Air Tight PC-1, I’ve posted some files to share the results. These are high resolution 96 KHz / 24 bit AIFF files made with each cartridge. I hope you enjoy listening to them and please do post your impressions.

They can be found at:

public.me.com/vinylxfer

or, if your browser doesn’t redirect, here’s the full URL:

http://idisk.mac.com/vinylxfer-Public?view=web

Music / track selection info:

Example #1: Gurdjieff - De Hartmann, “The Bokharian Dervish Hadji Asvatz-Troov” from “The Music of Gurdjieff / De Hartmann.” While many musicians have recorded De Hartmann’s music, this 1950 recording is of the composer performing his own work. Originally restored as reference material for Keith Jarrett’s “Sacred Hymns” album, ECM released a four-disk set of these recordings in 1987. These disks are not in great shape, but they allow us to travel back 59 years to listen to De Hartmann’s beautiful playing.

Example #2: Van Morrison, “Astral Weeks,” title track. 1968 classic is still remarkable. This track was captured from a recent 180-gram reissue.

Example #3: The Durutti Column, “Otis,” from Vini Reilly. Trippy guitar and synth loops that reference everyone from John Fahey to Terry Riley. This track was captured from the original 1989 Factory Records release.

Example #4: Walter Norris & George Mraz, “Drifting,” title track. Norris’ piano and Mraz’s bass playing range from bop to free. Emblematic of the brilliant 1970s loft jazz movement in NYC, this track was captured from the original 1974 Enja records release.

BTW, I don’t mean to suggest that these are the ultimate test tracks. They’re just a sample of what I was listening to last week ☺

Technical Info:

The cartridges were mounted on a VPI JMW 12.7 tone arm / HRX turntable. Mechanical and electrical parameters for each cartridge were adjusted via measurements and then fine-tuned with listening tests. A Pass Labs Xono phono preamp fed an Apogee Electronics Symphony workstation with an Apogee Rosetta 200 analog-to-digital converter front end. The audio was captured at 96 KHz /24 bits. Bias Peak Pro 6.0.3 software was used to create the files. No digital processing was applied to the files.

On surface noise: Each record was cleaned using a VPI HW27 cleaning machine with Audio Intelligent Vinyl Solution Formula #6 cleaning fluid. As the two cartridges appeared to respond differently to surface noise no further cleanup was done on these files, except for the Gurdjieff - De Hartmann. Extensive pops and clicks were removed from the Gurdjieff - De Hartmann captures by manually painting out the errors on the audio waveforms.
dean358
amater
56 posts
 
I have been intrigued with your comparison because I am seriously considering to upgrade my phono system with Benz Micro LP S. To listen to your records on my system I had to convert aiffs into wavs and burn them on CDR. I listened to your records on loudspeakers and earphones. Unfortunately I have just an average ear for music, so I was in troubles to draw a distinction between records. Both cartridges sounded similar (well) but Air Tight seemed to me a tiny more detailed, accurate, "brighter", dynamic. In sum, if I have to choose, I would take Air Tight (in spite of that I will buy Benz Micro, because I can get it at a favourable price).
I gave CD to my colleague who has better (than me) ear for music. I will be back on Monday with his impressions/comments.
B.
sonofjim
557 posts
 
I have both an Air Tight PC-1(Supreme) and a Benz LP. In my system, on most days I really prefer the detail and dynamics of the Air Tight but I certainly don't knock the Benz for it's slightly more reserved presentation. I would say there's really no clear cut winner here. Personal preference will play a major role. I'm not sure how easy it is to judge subtle differences between cartridges via a digital file but an interesting offering none the less.
dean358 OP
12 posts
 
Hi All,

Ty for your responses. As I use a Tact 2.2XP for room correction and crossovers I only listen via a digital signal path. Thus the LPs are always "digital files," even when I'm just listening.

I posted these for two reasons: 1. It was difficult to demo these (and I imagine most high end) cartridges, so I thought I'd at least share and 2. As I didn't find a clear "winner" between them I wanted to see if other folks agreed (seems so).

They're both nice cartridges but for me, the PC-1 is more coherent and life like. The LP S appears to have more low bass (boost?) and sparkle on top but smears the imaging a bit. Seems like the LP S is better for rock and club re-mixes and the PC-1 is better suited to acoustic jazz, folk and classical. I now understand why people have more than one tone arm :-)
dgad
782 posts
 
Dean,

I listened extensively today. In summation, I much prefer the PC-1. There is no comparison.

I love the Walter Norris & George Mraz. Want the LP. My impressions are based on the following. The PC-1 has greater dynamic agility and greater detail. Notes seemed to have body and resolution w. out being held back. On the Benz this came out to be just slightly less dynamic and less detail. Also, I did not detect any of the famous Benz warmth at all. It was ever so slightly warmer than the PC-1, but definitely was not warm. It came closer to neutral on my sonic bias. The LPS seemed to get congested and also had some muddiness in the bass. Almost a lack of resolution. I felt you could improve the setup more on the LPS. Not sure, but it just might not be a great match in the arm. The bass characteristics I heard were more what I hear when setup is not 100% optimized. But I might be wrong. The PC-1 was well setup as it sounded as I remember it. A little tipped up in the highs -ever so slightly, I am sensitive to this, (and your SS phono revealed it even more than my tube phono by a touch), an the typical bass bloat / which many find warmth. The PC-1 is a great cartridge and the Supreme is said to correct these shortcomings.

But... I heard well into your system and noticed a few problems. There is background hum on some the tracks. Either from wow & flutter or from recording, but most likely from a ground loop. It shows up during the silence in passages. And it showed up on both cartridges. And for sure it wasn't my system as I went to check a different track on my PC and found no noise.

I hope you don't take offence as I don't know the rest of your system, but I am telling you what I heard. And on 1st listen (in a rush before work 1 morning) I couldn't hear any difference. Just goes to tell you it depends for me on when I listen. My system needed time to warm up. I used my Prism Orpheus via Firewire to my Macbookpro. You can see the rest on my system if any questions. Just to let you know the Prism can record (haven't tried it yet as to busy) LP w. out a Phono stage and digitally implement RIAA and gain so you would not need any phono to play into your system.

Finally, I really enjoyed doing this, as it gave me a listen to the LPS which I wanted to hear. Now, do it w. the PC-1 Supreme or the MSL Hyper Eminent. That is what I want to hear.
artemus_5's avatar
artemus_5
1,942 posts
 
I've never understood why someone would post a digitized sample of an analog cart/system that they want others to play over the cdp in their system and then think we are hearing the same thing that they have been hearing. The amount of variables in the various systems are mind boggling.
I don't mean to bust your chops or be rude. But there is no way to hear what you've been hearing unless I hear it through your system. And even then I will probably hear it somewhat differently than you because of the difference in our hearing.

But lets think about this a minute. You play a cut from your VPI TT, and burn a copy. Then you broadcast it to others. There are different people using different cdp's run through different equipment and listened to on different speakers with various acoustical environments. Can anyone really evaluate a cartridge by listening to these cuts? You played it on a VPI w/JMW arm. Will it sound the same on a Mitchell using an Origin Live arm or a SME with matching arm? Or a ________________? Can we know that from listening to these tracks. I seriously doubt it

So IMO, we are left with the question, What value are these tracks. I suggest that for some it may be some new music to listen to. Or for someone with a VPI TT & arm as you have, they might get a glimpse of what one of these carts might sound like in their system. But even then it is certainly not a slam dunk because of the various electronics involved in the chain

I think that if I were to listen to these tracks I'd be hearing a translation(my cdp) of a translation (your burner) at best. Translations of speech are sometimes, if not often inaccurate, depending upon the 2 languages. Now if you take that one step further by translating a translation you have added even more problems to the process and have pretty much guaranteed inaccuracy. I believe we have the same problems facing us when we do this in the musical world. Yes. It may be close. But will it be accurate? I can't see how it could be

But if someone could explain to me how I can listen to these digital samples of your analog system on different equipment than you have and hear the same thing you have been hearing on your VPI table, I'd love to hear it

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