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Television > HDTV Tech > Re: crt's; stil...
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Re: crt's; still making

by G-squared <stratus46@[EMAIL PROTECTED] > Mar 16, 2008 at 09:15 AM

On Mar 16, 1:14=A0am, "Flea" <gt65ttg4ho9,9...@[EMAIL PROTECTED]
> wrote:
 > "G-squared" <stratu...@[EMAIL PROTECTED]
> wrote in message
 >
 > news:e878aa78-353d-4673-
a021-9cba91ff2d10@[EMAIL PROTECTED]
 > On Mar 15, 1:29 pm, md <mardahl2...@[EMAIL PROTECTED]
> wrote:
 > =A0> You're signing to the choir.... They also last 20 years. But,
 > damn,
 > =A0> they are heavy arn't they. :-)
 >
 > Signing to the choir? Like they can't hear? Must make a neat sound.
 >
 > Before you guys get all misty-eyed on CRTs, they really _do_ suck
on
 > so many levels. Geometry is mediocre along with convergence, they
 > react to magnetic fields - and rearly in a good way. They drift
like a
 > balloon in the wind. They have those wonderful high voltages inside
to
 > attract dust. And heavy and bulky and --- good riddance.
 >
 > GG
 >
 > And CRT's still have the best image quality around. I have a
widescreen flat
 > 32" Phillips HDTV and the geometry and convergence are perfect.
When my
 > videophile friends want to see what reference HD and DVD should
look like
 > they come to my place. Paid $1800 for it at the time and made damn
sure was
 > worth it. Heavy as hell and small picture but it's good enough.
 > collect dust? Thay last for 20-30 years..all electronics collect
dust there
 > is nothing you can do about it. Take the lid off every few years
and blow it
 > out if your so worried about it.

Good luck with that. At work I can't get replacement CRTs for the Sony
monitors. Not made any more. For the little general puprose PVM-1354 I
bought 6 P22 phosphor (consumer) which was half the stock in Kansas
City. It makes the monitors into 1352 and they then look crappy like a
consumer set. For the broadcast monitors, there is no option at all.
Chuck it out - and those were $7000 when new

I maintain that folks grew up with CRTs and all their myriad
shortcomings and are so used to them the defects are considered
'correct'.  Perfect geometry on a CRT? When they run a text crawl at
the bottom of the screen there is no stretch/squeeze anywhere? When
the credits roll there is no stretch/squeeze anywhere? The sidelines
of the football field are dead straight regardless of the camera
angle?  Convergence is 'perfect'? I'm using a 17" CRT on this computer
and the convergence is as good as any CRT I've worked on including
those big bucks broadcast units but it's not perfect. Zoom in for
aspect changes and there is light level change - brighter when
smaller. The picture size changes with light level - gets a little
bigger as it fades up from black. And they they get dimmer with age -
so slowly you can deny it's happening - until you replace it. And the
color balance varies across the face of the screen and there is
nothing you can do about it. None of those things are part of the
signal.

If CRTs are so great, why aren't they being built? Some of you clearly
prefer them and would buy them.

GG
 




 28 Posts in Topic:
crt's; still making
md <mardahl2000@[EMAIL  2008-03-15 11:10:05 
Re: crt's; still making
Dan Pastorini <Strateg  2008-03-15 11:17:29 
Re: crt's; still making
md <mardahl2000@[EMAIL  2008-03-15 11:19:29 
Re: crt's; still making
G-squared <stratus46@[  2008-03-15 11:20:50 
Re: crt's; still making
Gavrilo Prinzip <gav@[  2008-03-16 13:08:54 
Re: crt's; still making
Wes Newell <w.newell@[  2008-03-15 18:51:14 
Re: crt's; still making
md <mardahl2000@[EMAIL  2008-03-15 11:56:04 
Re: crt's; still making
RobH <rob@[EMAIL PROTE  2008-03-15 21:05:36 
Re: crt's; still making
"Kevin" <web  2008-03-15 14:48:24 
Re: crt's; still making
Ken <ken_3@[EMAIL PROT  2008-03-15 23:11:14 
Re: crt's; still making
nmassello@[EMAIL PROTECTE  2008-03-15 18:09:47 
Re: crt's; still making
md <mardahl2000@[EMAIL  2008-03-15 14:29:12 
Re: crt's; still making
RobH <rob@[EMAIL PROTE  2008-03-16 00:34:40 
Re: crt's; still making
G-squared <stratus46@[  2008-03-15 17:41:21 
Re: crt's; still making
"Howard Lester"  2008-03-15 18:31:48 
Re: crt's; still making
"Flea" <gt65  2008-03-16 09:14:06 
Re: crt's; still making
"JohnR66" <n  2008-03-16 14:41:33 
Re: crt's; still making
md <mardahl2000@[EMAIL  2008-03-15 17:47:15 
Re: crt's; still making
G-squared <stratus46@[  2008-03-16 09:15:37 
Re: crt's; still making
Jer <gdunn@[EMAIL PROT  2008-03-16 13:07:07 
Re: crt's; still making
G-squared <stratus46@[  2008-03-16 09:34:24 
Re: crt's; still making
cgott <curtgottler@[EM  2008-03-16 11:58:52 
Re: crt's; still making
G-squared <stratus46@[  2008-03-16 15:08:02 
Re: crt's; still making
mk834tt@[EMAIL PROTECTED]  2008-03-16 16:57:27 
Re: crt's; still making
G-squared <stratus46@[  2008-03-16 17:18:31 
Re: crt's; still making
"Adysthemic" &l  2008-03-17 17:12:20 
Re: crt's; still making
mk834tt@[EMAIL PROTECTED]  2008-03-17 19:38:43 
Re: crt's; still making
G-squared <stratus46@[  2008-03-18 12:31:04 

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tan12V112 Sun Nov 23 10:49:18 CST 2008.