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garyfritz



Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO

Posted: Wed Dec 09, 2009 10:26 pm    Post subject:

I remember seeing a HD setup at a computer conference in Europe in, what, 1985? It was in some Japanese company's booth -- Hitachi, maybe, or Sony? I don't remember if they had a tape-storage option or not. The main thing I remember is that one of the displays had a camera pointed at a geisha doll sitting right next to the monitor, and it was hard to tell the difference between the monitor and the doll. Very impressive, but it was obviously a looong way from commercial availability!!
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MaximRecoil



Joined: 28 Nov 2008
Posts: 22


Posted: Wed Dec 09, 2009 10:45 pm    Post subject:

Person99 wrote:
That does amaze me, but the other side of the equation amazes me even more, and that is the love of old technology.


You're amazed by the love of old technology, on a CRT projector oriented site?

Most new technology is better than old technology, but there are exceptions. I've always considered digital display technology to be "one step forward and two steps back" as compared to CRTs. One thing I despise about digital displays is their lack of flexibility in that they have a fixed resolution.
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Person99



Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX

Posted: Wed Dec 09, 2009 11:05 pm    Post subject:

MaximRecoil wrote:
Person99 wrote:
That does amaze me, but the other side of the equation amazes me even more, and that is the love of old technology.


You're amazed by the love of old technology, on a CRT projector oriented site?

Most new technology is better than old technology, but there are exceptions. I've always considered digital display technology to be "one step forward and two steps back" as compared to CRTs. One thing I despise about digital displays is their lack of flexibility in that they have a fixed resolution.


Surprisingly enough, yes. And here is why: In technological paradigm shifts, there is often a period of rapid development and maturation of a new technology. During that period, two things are almost always true:
1) The new tech is not as good as the old tech
2) The new tech is more costly for the same performance

Over the development cycle of the new tech (which generally is a few years to a decade or so), both of those become false.

Take Ethan's sound card example. The first sound cards made were not better then the best analog recorders. But currently, a $50 sound card is better then the most expensive analog recorder ever made.

So, I should have been more clear, I'm fascinated by a "misguided fascination"--in other words, a facination and erroneous view that the old stuff is better than the new stuff long after that has not been true. The topic of this thread would be such an example.

As far as CRT PJs, we have emerged from the period of rapid dev and technical maturation of digi tech. We all know our history and we all knew it was coming. The big debate back in 2003 was when the new tech would emerge from the initial development state. Well, as every single expert in the field has pretty much agreed (and the rate at which Guy and other former CRT "gurus" rip out CRTs and replace them with digitals that the theater owners are happier with would attest), we've passed that point. But, that is a different thread as this thread was not about CRTs. Wink

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MaximRecoil



Joined: 28 Nov 2008
Posts: 22


Posted: Thu Dec 10, 2009 9:36 am    Post subject:

Digital displays will always be stuck with a fixed resolution, so in that sense, they will always be inferior to a CRT-based display. That's a big issue for me, because I insist on watching content in its native resolution. I'm also highly skeptical of other people's assessment of what looks good/better without seeing it for myself, because I know of too many instances where I have seen something for myself; know it looks like crap (IMO), and see other people claiming it looks awesome.

I also consider film to be a better technology than digital, at least in terms of visual qualities. Of course, digital beats film for convenience by a long shot, but if a genie popped out of a lamp and wanted to give me my ideal home theater, the projector I chose would not be digital, nor even a CRT; it would be a film projector complete with every movie I could ever possibly want to watch; on pristine 70mm dye-transfer film prints, and enough money to indefinitely pay for an on-call projectionist.

Another older technology that is superior in terms of consistent quality and dependability to a newer technology is the land-line phone system (especially the old pre-breakup "Ma Bell" version) vs. cellular networks. I suppose that could be extended to most anything that is hardwired vs. wireless technologies.

As another example, many people believe that the best computer keyboard ever made was from the 1980s (IBM Model M).
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Spanky Ham



Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central

Posted: Tue Dec 15, 2009 7:13 pm    Post subject:

Maxim,
That is a good thought process to have. What looks good to one person may look bad to another or a huge improvement to one may be negligible to someone else. As to native resolution, that is an advantage of CRTs, but I would disagree about always watching in native res. VPs are really good nowadays.
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WanMan



Joined: 19 Mar 2006
Posts: 10270


Posted: Wed Dec 16, 2009 10:34 am    Post subject:

MaximRecoil wrote:
Another older technology that is superior in terms of consistent quality and dependability to a newer technology is the land-line phone system (especially the old pre-breakup "Ma Bell" version) vs. cellular networks. I suppose that could be extended to most anything that is hardwired vs. wireless technologies.

As another example, many people believe that the best computer keyboard ever made was from the 1980s (IBM Model M).

I'm sure for long-term sustainability use and archiving nothing beats a good stone tablet and chisel to record data for long periods of use. Yet, there was something about the weight (ahem, mass) and the storage density, and things that made it obsolete compared to other technologies less sustainable.

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cmjohnson



Joined: 03 Apr 2006
Posts: 5180
Location: Buried under G90s

Posted: Tue Jan 05, 2010 2:00 pm    Post subject:

For a little while, I had a couple "portable" Ampex 1" Omega Loop format VTRs. They were the size of a large suitcase. Some were B/W,
and one was color. I tried very hard to get the color unit working. I called Ampex and they gladly sent me their very last copy of the
service manual that they had on the shelf, for free, and their tech who still remembered those dinosaurs gave me some tips on what
to look for.

The reel motors and capstan motors were fine, just previously I'd had no video head drum rotation. First I cleaned out the goopy remains
of the old belts, and put new belts in. After putting the new belts in, I fired it up and it ran perfectly...for about ten seconds. Then the
head servo loop lost its mind, the head drum spun up to "HOLY CRAP!" speeds, and smoke poured out of the motor and it free-wheeled
to a stop.

So, I calmly disconneted the unit, toted it to the street, and left it for any other gadget hound, or trash collection, to come pick up.
I was very DONE with it at that point.

I hauled the other parts machines out there, too. I also left the service manual with the one machine.

About a year later I saw those same machines in the trash pile at my friend's house across the street. He'd grabbed them. He never
even told me.

Many years later, I realize I should have changed the caps on the servo board before starting it up.


CJ
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