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Should I take the leap
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Slackusr



Joined: 14 Jan 2009
Posts: 1


Posted: Wed Jan 14, 2009 3:06 pm    Post subject: Should I take the leap

Hi all,

First time here as I just discovered these forums, very nice btw. I have a modest home theater in my basement currently comprised of an Optoma HD70 720p DLP pj fed via HDMI by a Dish Network HD DVR, Toshiba HD-DVD player, and a HTPC(LG HD-DVD/BD drive and nVidia 8800GT vid card). My screen is currently a 67x37 Dalite Model B( I can go to about 80"ish wide max on my wall) with about an 11' viewing distance. Being in the basement, I can completely darken the room. As of now I am very satisfied with the picture I am getting from my Optoma.

That said I have been wanting to dabble in the CRT arena. I have the king of CRT computer monitors, the Sony GDM-FW900, (two actually, one is on the shelf for when the first one dies) and I absolutely love it. I have the opportunity to get a Sony G70 locally that has less than 1000 hours on it along with a ceiling mount kit for a decent price. I would like to stick with HDMI as I just ran new cable, so I assume I am going to need something to do the conversion. What other costs might be involved in going the CRT route and is it possible to quantify the increase in image quality going from an HD70 to a G70? Also how loud is the G70 and will I be able to make it fit within my current setup (I have a low ceiling - about 7ft and floor mounting is really not an option)? Sorry for the barrage of questions but I want to make sure I know what I am getting into before I make the leap. Thanks.


Matt
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Curt Palme
CRT Tech


Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC

TV/Projector: All of them!

Posted: Wed Jan 14, 2009 3:18 pm    Post subject:

THe G70 is a really high end intermediate set, but check the tube condition before you jump. Even at 1000 hours, the tubes could have wear, although hopefully slight.

No offense to the below seller, but what you don't want is THIS:

http://cgi.videogon.com/cgi-bin/cl.pl?projcrta&1236754955&class&3&4&

Those tubes are shot, and you're looking at $1500+ to get that set to usable condition for new G and B tubes.

You probably already know that CRTs are not plug and play, but guaranteed that you'll see an improvement over the Optoma in several areas no matter how low an hour count the Optoma has.

Read this as well if you haven't already:

http://www.curtpalme.com/CRTPrimer.shtm
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AnalogRocks
Forum Moderator


Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G

Posted: Wed Jan 14, 2009 5:43 pm    Post subject:

What he did to the G70 is a crime! Man what a waste!
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dochlywd



Joined: 25 Apr 2006
Posts: 346
Location: Saint Louis, Missouri

Posted: Wed Jan 14, 2009 6:22 pm    Post subject:

That is Clarence's machine and I can guarantee you that he purchased it that way. Clarence would NEVER treat a CRT that way!

Doc
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drice1234



Joined: 07 Oct 2006
Posts: 1309
Location: Allen, Texas

Posted: Wed Jan 14, 2009 6:25 pm    Post subject:

How could you put that much wear on the tubes in 341 hours?
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Clarence



Joined: 08 Mar 2006
Posts: 3827
Location: Smith Mtn Lake, VA

Posted: Wed Jan 14, 2009 6:25 pm    Post subject:

Curt Palme wrote:
No offense to the below seller, but what you don't want is THIS:

http://cgi.videogon.com/cgi-bin/cl.pl?projcrta&1236754955&class&3&4&


AnalogRocks wrote:
What he did to the G70 is a crime! Man what a waste!


The seller didn't do that Wink

But it's evident that the facility that they came from didn't originally optimize the raster when they came out of the box. Or the conference room contractor placed the ceiling mounts a few feet too far back.

Thankfully for the seller, aside from the visible wear, the units are incredibly clean. Ironically, the boards, lenses, power supplies, ceiling mounts, and c-elements are worth more than the fully-functional projectors. Plus, the parts are easier to ship.
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Clarence



Joined: 08 Mar 2006
Posts: 3827
Location: Smith Mtn Lake, VA

Posted: Wed Jan 14, 2009 6:29 pm    Post subject:

drice1234 wrote:
How could you put that much wear on the tubes in 341 hours?


Looks like 3410 hours, not 341.

And on reduced raster width with contrast and brightness at default 80/50, that wear seems typical.

Plus, I suspect the seller intentionally picked a picture to make the wear look worse than it really is. Some sellers try to hide any wear or avoid tubeface shots completely.
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ecrabb
Forum Moderator


Joined: 13 Mar 2006
Posts: 15909
Location: Utah

TV/Projector: JVC RS40, Epson 5010

Posted: Wed Jan 14, 2009 6:30 pm    Post subject:

Yeah, and the asking price isn't really bad. Even as a purely parts machine, it's worth about that... which is, of course why the seller picked that price. I couldn't ever tolerate watching it that way, but you could pick the machine up, and play with it, and possibly watch for a busted machine with good tubes and end up with a good G70, plus some spare parts for well under a grand... And that would be before you sold off a few spare parts like lenses, good boards, etc...

Curt's point is valid, though... Almost regardless of price, it's all about the tube condition. If the tubes are fried, it won't be a usable machine until you can find tubes... which will either be expensive or a waiting game.

SC
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Z-Photo



Joined: 07 Mar 2006
Posts: 2749
Location: Huntsville - Alabama

Posted: Wed Jan 14, 2009 6:58 pm    Post subject:

Looks pretty usable to be




It will not be able to be setup near its potential - but the screenshots refect what you will be able to do.


Curt - I would change to:

If you want a turn-key machine this would not be the best option cause you need to replace the G/B tubes before you can get 100% capability out of it.

Smile


$470 for a working machine - Id call it a deal...... Plus if you call his wife I'd bet you could get a better price Smile


and if you want to spend $750 more for

http://cgi.videogon.com/cgi-bin/cl.pl?projcrta&1236738769&class&3&4&

then you would have a mint G70 with near mint tubes.....

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Z-Photo



Joined: 07 Mar 2006
Posts: 2749
Location: Huntsville - Alabama

Posted: Wed Jan 14, 2009 7:06 pm    Post subject:

dochlywd wrote:
That is Clarence's machine and I can guarantee you that he purchased it that way. Clarence would NEVER treat a CRT that way!

Doc



I have seen him treat an AMPRO that way - Twisted Evil

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ecrabb
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Joined: 13 Mar 2006
Posts: 15909
Location: Utah

TV/Projector: JVC RS40, Epson 5010

Posted: Wed Jan 14, 2009 7:10 pm    Post subject:

Z-Photo wrote:
Looks pretty usable to be

Do you have a cold, Pete? Wink

Some people's definition of "usable" would be different from mine. Usable in the literal sense?... Yes. Nice-looking? No. Uniform neutral colors? No. Crappy, distracting whites? Yes. Usable to me? No.

SC


Last edited by ecrabb on Wed Jan 14, 2009 7:10 pm; edited 1 time in total
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Clarence



Joined: 08 Mar 2006
Posts: 3827
Location: Smith Mtn Lake, VA

Posted: Wed Jan 14, 2009 7:10 pm    Post subject:

Ampro's are best treated as jumbo cases for Marquee tubes Wink
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ecrabb
Forum Moderator


Joined: 13 Mar 2006
Posts: 15909
Location: Utah

TV/Projector: JVC RS40, Epson 5010

Posted: Wed Jan 14, 2009 7:15 pm    Post subject:

Clarence wrote:
Ampro's are best treated as jumbo cases for Marquee tubes Wink

Oh, now that's funny!

Very Happy

SC
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Gary M.
Guest






Posted: Wed Jan 14, 2009 7:16 pm    Post subject:

that is a excellent deal on that G70, with what new P16 tubes are going for it boggles the mind what this set could be put together for

2.5 years ago it was a 2500$ machine Sad

-Gary
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Z-Photo



Joined: 07 Mar 2006
Posts: 2749
Location: Huntsville - Alabama

Posted: Wed Jan 14, 2009 7:16 pm    Post subject:

Ampros use the barco pin outs -

but they are nice storage boxes for mint tubes - on that I have to agree.


Lets see - usable = working.

I would use it for PS3/Wii in a heartbeat - for inviting the videophile friends over to show off - nope.

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Z-Photo



Joined: 07 Mar 2006
Posts: 2749
Location: Huntsville - Alabama

Posted: Wed Jan 14, 2009 7:18 pm    Post subject:

Is Curt still trying to get his foot (or typing fingers) out of his mouth?????


Smile - other peoples embarrasment is the best entertainment Smile

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Clarence



Joined: 08 Mar 2006
Posts: 3827
Location: Smith Mtn Lake, VA

Posted: Wed Jan 14, 2009 7:34 pm    Post subject:

ecrabb wrote:
Some people's definition of "usable" would be different from mine. Usable in the literal sense?... Yes. Nice-looking? No. Uniform neutral colors? No. Crappy, distracting whites? Yes. Usable to me? No.


But if you saw that it was local (notice the seller's ad specifically offered it for local buyers only... zero shipping cost),
and if you'd been looking for your first CRT or an upgrade to any ES machine,
and if you've never seen a functional G70 sell for <$500,
and since the G70 comes with a built-in transcoder (if you'd been looking at the Marquee 8000/8111/8500 or BG808/1208 you'd probably realized that you'd also need to buy an external transcoder),
and if you wanted a liquid-coupled (LC) electromagnetic focus (EM) machine for less than lesser non-LC projectors sell for,
and if you realized that the lenses, power supplies, c-elements, ceiling mount, and boards could be sold to recoup most of (or possibly exceed) your purchase cost

Otherwise, no, it might not be usable to you since you've already got a projector with better tubes.

And yes, the OP can find a projector with better tubes from Curt.
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CRT_Ben



Joined: 28 Aug 2006
Posts: 1684
Location: Northern Virginia

Posted: Wed Jan 14, 2009 8:07 pm    Post subject:

I think from past history we can all agree that Clarence sells his stuff at extremely fair (even downright cheap) prices. It's just a matter of whether a given projector is right for the OP, and that's up to him.
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ecrabb
Forum Moderator


Joined: 13 Mar 2006
Posts: 15909
Location: Utah

TV/Projector: JVC RS40, Epson 5010

Posted: Wed Jan 14, 2009 9:16 pm    Post subject:

I don't think anybody has questioned whether the price is fair or whether Clarence's prices are fair (tee hee)...

Clarence, I'm not arguing with you. Looking back a few posts before the one you quoted, I said the price wasn't bad, that it was worth nearly that just in parts, and that if you found some tubes to put in it, you'd probably end up with a G70 for around a grand... which is clearly a great machine for a great price. And yes, local means all the difference, since shipping it intact would kill the deal.

However... To use your example... If I had a 1271 for instance, and wanted to upgrade to an EM/LC machine... Even if I bought the G70, I'd keep the 1271 to watch movies and not use the G70 until I found better tubes. I simply couldn't watch movies on it that way - it would drive me nuts. I had a 1272 at one point with worn/burnt tubes (not worn very badly), and the bright blue sides drove me insane. It might not bother some people, though.... Which is why I amended my earlier blanket position and said it wouldn't be usable to *ME*, clearly acknowledging that some might not mind using it that way.

As a working chassis to put better tubes in, it's great - and the price is perfectly fair.

SC
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draganm



Joined: 08 Mar 2006
Posts: 8990
Location: Colorado

Posted: Wed Jan 14, 2009 10:48 pm    Post subject:

IMHO, the Sony G70 has considerable reliability issues, very much unlike other CRT's. Something to consider.
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