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 Post subject: AJ builds a cartridge
PostPosted: Sat Sep 22, 2018 10:09 am 
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Found this is another forum. VdH assembles one of his MC cartridges live on camera. It's in 2 parts....check it out:

https://www.youtube.com/watch?v=TbTSor-4J-c

https://www.youtube.com/watch?v=Km4sUJmG83E

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PostPosted: Sat Sep 22, 2018 12:00 pm 
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Fascinating. I wonder how many gummies he'd eaten before assembling my Colibri.

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PostPosted: Sat Sep 22, 2018 12:04 pm 
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:lol: No coffee, that's for sure!

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PostPosted: Sat Sep 22, 2018 4:59 pm 
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Woah he's straight outta Back to the Future ... does he fly off in a locomotive at the end?

... it allows playing 2 X speed but it would be really entertaining @ 4 X !

Love it! ... obviously worth every cent.


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PostPosted: Sat Sep 22, 2018 6:53 pm 
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kwadzilla wrote:
Fascinating. I wonder how many gummies he'd eaten before assembling my Colibri.


Haha!

I wonder if he knocked yours out in half an hour! :lol: :lol: :lol:

Pretty crazy stuff though, very interesting. At least for me. My wife walked by while I was watching and said: "Oh that looks really interesting" but I think she was being sarcastic. :shock:


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PostPosted: Sat Sep 22, 2018 7:26 pm 
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Cool video, ripblade.

Thanks for passing that along,

John


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PostPosted: Sat Sep 22, 2018 8:22 pm 
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Interesting... but...

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PostPosted: Sun Sep 23, 2018 6:59 am 
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Blake wrote:
kwadzilla wrote:
Fascinating. I wonder how many gummies he'd eaten before assembling my Colibri.


Haha!

I wonder if he knocked yours out in half an hour! :lol: :lol: :lol:

Pretty crazy stuff though, very interesting. At least for me. My wife walked by while I was watching and said: "Oh that looks really interesting" but I think she was being sarcastic. :shock:

I thought it was interesting too...an insight into the industry. I wish there were more close-ups of the procedures but I guess some of them are proprietary.

I learned 2 things: These things are not precision devices, as they are assembled seemingly entirely by eye. The other thing I learned is that it's OK to use a DMM to measure coil resistance. Some will have you believe that there's enough current in these to melt the coils.

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PostPosted: Sun Sep 23, 2018 4:56 pm 
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ripblade wrote:
Blake wrote:
kwadzilla wrote:
Fascinating. I wonder how many gummies he'd eaten before assembling my Colibri.


Haha!

I wonder if he knocked yours out in half an hour! :lol: :lol: :lol:

Pretty crazy stuff though, very interesting. At least for me. My wife walked by while I was watching and said: "Oh that looks really interesting" but I think she was being sarcastic. :shock:

I thought it was interesting too...an insight into the industry. I wish there were more close-ups of the procedures but I guess some of them are proprietary.

I learned 2 things: These things are not precision devices, as they are assembled seemingly entirely by eye. The other thing I learned is that it's OK to use a DMM to measure coil resistance. Some will have you believe that there's enough current in these to melt the coils.


Yeah, I found it quite interesting on number of levels. Certainly what you described Glenn, and the obvious fact that, as such, there could potentially be huge variations from sample to sample on these "exotic" hand built moving coils.

I wonder if there is more "automation" for lack of a better word, in the manufacture of lower end MC's and MM's? There must be.

AJ clearly has a lot of practice but I wonder if the timeline for a build on a cartridge like that is as fast as was presented; I can't help feeling that they accelerated it a bit to shorten it for youtube and not have people fading out and not watching it because it's a couple of hours long. We did not get to hear the sample at the end LOL.

The prices on the high end moving coils have become outrageous-looks like that model that AJ knocked off might be a $5500 U.S. cartridge!

No question that guys like Van den Hul are artisans but I can't help thinking that this may be the twilight of high end analog in terms of demographics and economics. The market will bear these kinds of prices today as the hardcore boomer analog guys still alive (and capable of hearing at this stage :lol: ) have the income/funds for these kinds of purchases.

Might go another 5-10 years but I'm not sure there is going to be much of a market for these kinds of cartridges at these kinds of prices beyond that.

Nonetheless, it is crazy intricate work by hand at a microscopic level. In the first part of the video I couldn't help but wonder how Van den Hul could look through his glasses into the microscope and really see what he was doing particularly well. Near the end of the construction though he ended up actually removing his glasses, so I would assume the stuff toward the end of the build is more demanding.

It was pretty cool.


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PostPosted: Sun Sep 23, 2018 7:02 pm 
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Really enjoyed the video. I too am amazed that everything is eyeballed. That a grooved plastic disc with a diamond moving through those grooves can translate into beautiful sound is truly extraordinary.


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