CurtPalme.com Home Theater Forum

[David_Web]

You do realize it's the same principle used in air filters and air purifiers to trap dust and other particles. The high voltage attracts dust and other particles just like static electricity. Which is incidentally why they call it electrostatic filters. (not the same as negative ions that is emitted through a needle)
But I guess you already knew this with all the research you have done.

[rpruen]

[David_Web]

It has a similar effect on dust but it's far from similar.
A plasma globe uses high frequency high voltage and does create a strong EM field. Sends out a lot of ions as well.
An electrostatic device uses a static electric field and should unless disturbed not create a lot of electromagnetic interference.
Rub a balloon on your hair and put it near the PJ and it should not make a lot of difference unless it is rapidly loosing it's charge (like if you give someone a buzz)
And just to be clear it attracts dust with an ES (electrostatic) field. Not an EM(electromagnetic) field.

Besides he is talking about a digital. They are not as sensitive to EM interference

It does not need a lot of charge to attract dust. It just takes more time. If the air is turbulent in the right direction it should help.

The device pictured might not be the most effective to collect dust but it should collect some. If it's close enough it will have a higher potential then the lens and the dust will prefer it.

The plasma ball relies on the high frequency to create the effect and thus is design to put it out. There is no problem creating an electrostatic powersupply that is filtered and creates little to none switching noise.
The HVPS in the pj itself is pretty stable won't you say, it's a lot easier to filter a ps that is thousands of times weaker than that. Also the material it charges up acts as a buffer.

[rpruen]

[David_Web]

Well my point is that they do work. There are better solutions (aka professional filters) but it should theoretically work.
My problem in the first place was bull**** mockering without proper facts.
It seems people in this thread has a pissing contest of their own how much sh*t they can dig up and throw at this guy.

"The HVPS in the projector has a major advantage, in that there is gobs of capaitance in the system, that isn't true for these dust digbats. "
The capacitance to power ratio should be higher in the dust thingie. And even if it did have ripple it should not be that noticeable due to the low power. But I could be wrong.

The pj itself is about as loud as a jet engine and requires acustic treated room to not interfere. It has to leak out more than any RFI could do. Besides audio cables are not the best antennas for RF signals.
It has a 4kw discharge bulb that would create a lot stronger EM field than a dustball.

[greg_mitch]

From EPA

[overclkr]

Hi.

[greg_mitch]

Cliff you made that grown man cry.

[Lupin3]

Hi,

I have been reading Peter's stuff on the other forum for some time now.

I agree the install on Chayenne was really poor made, specially this one:


What an amateur finish! Did you guys know the total price (he asked) was $500k ?

I also agree totally putting a ($100k?) pj capable of 49ft to do just 170" !? wtf ?

And since the pj is just too powerful is natural it would reflect the light on every corner on the place, putting pseudo-white (camel?) seats was really an amateur decision. Going the screen against the walls is also not from an expert, except if the walls are really black and no other object (like doors) would be on light's way.

If I were to put over $100k (pj+lens+motorized stuff, etc) on this and just 170", I would just put a Panasonic 150" plasma + video processor (that's all), plus!, the plasma is 4096x2160 (2160p), while that pj is just 1080p (2048x1080) !

What a bad joke !

What it makes me laugh, is he talking about "I'm doing the best stuff of the world!", "There is NO other HT better than this!", oh please! we aren't that ignorant, real rich guys (with over $100 millions) they will never bother with something so poor and so tiny, they just have a REAL Cinema 35mm, 70mm or 4K ready.

Finally is hard to believe he is into this business for over 20y now, look at this:

[troglobite]

Did Mark Haflich become senile? Did he forget already what his Mike Parker modded M9500LC looked like? On the AVS forum Peter posted a video review by Mark saying how 3d it looked. WTF? I refuse to believe a DLP projector with less than 4500:1 FOFO can be good enough to have Mark's seal of approval after having a MP modded projector. I'm not saying ill of Peter, he's an ok guy, just what happened to Mark? Peter may be off the top, and hates us CRT lovers, but Mark? How did he convert Mark? What gives?

[QUOTE=CINERAMAX;16400619]I had not posted these:
[SIZE="5"][COLOR="DarkOrange"]
[URL="http://www.vimeo.com/2899442"]Mark Haflich's Review of Prometheus[/URL]

[URL="http://www.vimeo.com/3494341"]Didier Brival Review of Prometheus[/URL][/COLOR][/SIZE][/QUOTE]

[ecrabb]

Before I say anything else, let me say... I can't speak for Mark... What I'm going to say is just my opinion... I'm entitled to it.

When I last spoke to Mark at Art's meet, he sounded like he was already sick of CRT. In the short visit I had with him, he related a string of problems he'd had... This broke, that broke, this didn't work right, that didn't work right. I got the distinct impression he was one of those guys that if something could go wrong, it usually did. Probably not a good CRT candidate, IMHO. IIRC, he was either shopping for a digital or he'd bought something already. Keep in mind this discussion took place at Art's meet right after he got his new setup with Sim2 HT5000, ISCO III and 14'-wide Stewart scope screen - almost 18 months ago, now.

I guess I'd have to take issue with you that a good digital can't look 3D, either. 4500 on/off is surprisingly good when you have incredible brightness, smokin' ANSI, and sharpness to die for to go along with it. Does that give you perfect FFTB? No. Does it matter the other 98% of the movie? Unless you're a black nut, no it doesn't.

As for Peter, the guy seems to be the kings of hyperbole. I'm sure they're excellent setups (obvious shortfalls in the craft department aside - even though that's utterly ridiculous in systems of this caliber) obviously most people who see his setups think they're excellent, too. Of course, for what it sounds like he gets for them, they damn well better be excellent. Best in the world? I don't know - I've only seen a few high-end displays, and certainly not most in the world. I suspect very few people have. So, it's obviously a little presumptuous to say "best in the world". Of course, most people recognize hyperbole when they hear it.

Supernova... Superkontrast... Superhyperbole.

SC

[troglobite]

I've tried a Sony VW-60, horrible convergence and other optical qualities aside, it does have ~3,800:1 FOFO with DI disabled. It looked horrible. I then tried the Auto2 iris mode which easily gets you over 10,000:1 and didn't notice pumping much. The problem was shadow gradients weren't great. Fine shadow details only had one band, not multiple band stripes. This happens on all digitals. When I see a movie like 300 and look at the darkest details I can see on my CRT projector, at best I only see one band at worst a bright glow of gray. On a CRT I'll see multiple bands such as where a collar crease starts on a shirt, the curve from where the arm and the seat of a lounge chair blend with the blackness, veins of leaves with their outlines.... all of those I can see in the darkest of scenes on a CRT. On any digital, even the amazing 30,000:1+ Kuro plasma I just see a shirt, a lounge chair or the outline of a leaf. It's such a dramatic difference like between how a person who needs glasses sees with and without glasses.

When I watch a movie, I just don't watch it. I search all of the screen with my eyes. Every time I see a movie I notice something new. So far CRT is the only technology which gives me the closest to how details look in the shadows look in real life. Even the best digital doesn't come close no matter the quality or price. So when a Kuro has way more FOFO than 4,500:1 I can tell you right now that's worse than the KURO and the KURO looks like sh!t!

[ecrabb]

I understand what you're saying. The thing you're describing - shadow detail and especially dynamic range and color rendition - it's why I love CRT, too. But, the image from a VW60 or even the Kuro just isn't comparable to a high-end DLP or even an RS20. Of course, a KURO shouldn't look like crap, either. If it did, I'd say it either wasn't calibrated properly, or wasn't calibrated at all. None of this hardware looks good out of the box.

So, what CRT projector are you using, and what does your video chain look like? I assume you're using LL gamma boost, yes?

Oh, and welcome to the forum!

SC

[troglobite]

I have a Dwin HD 700 using a Lumagen HDP with SDI for DVD and 5-BNC for both Xbox 360 and PC. The output is DVI-D direct to a HD Fury dongle on the projector. 1920x1080i@71.93

I use a 11-point gamma:

Point 0: left alone
Point 1: 2.5 IRE Luma 7.3
Point 2: 5.0 IRE Luma 8.3
Point 3: 7.5 IRE Luma 10.0
Point 4: 10.0 IRE Luma 11.3
Point 5 - 8: left alone
Point 9: 90.0 IRE Luma 93.0
Point 10: left alone

Contrast 10
Brightness 30

If I had a meter I'd calibrate both coloromitry, grayscale better than eye, and points 5-8.

I also did the 75 ohm video mod and changed to DeltaHD 144 with color filtered rather than the DeltaHD 145 with color corrected only.

Thanks, I was on the AVS forum previously.

[huggy]

SUperkontrast is so yesterday ,now it's superduper uber kontrast Surely CRT is dead now......
TBH,I don't take the guy too seriously,I think he just plays the forum,I mean if you're doing 500k + installs,you've got to be doing something right,no? Either that or his clients are lottery winning hillbilly's.



Dave

[Ridebreck]

Wow. I don't know how I missed this thread a year ago, but after reading it and checking out some of that guy's posts in the "I've got a shitload of cash" forum, I must say that he is without a doubt a world-class douche. I hope he's a yoga master or something, because anyone who sucks his own sausage that much is bound to hurt themselves sooner or later.

[Spanky Ham]

I wrote a longer reply, but crappy Windows had an issue.

Lupin,
Peter has been around longer than that. He moved to Naples from Miami and now I believe he is back in Miami.

trog,
I find 3 chip DLP to be pretty good and others like Dave seem to like DLP better than their old Zenith.

Ride,
I won't get into since I am the least PC guy on here. Ecrabb is correct in that Peter is Superhyperbole. He is different in person in that I find him someone who really loves the hobby and is steadfast in his beliefs.