Re: TECH: AppleColor RGB Sync frequencies

[kindall@mail.manual.com (Jerry Kindall)]

In article <1998070406384900.CAA15633@ladder01.news.aol.com>,
regnirps@aol.com (Regnirps) wrote:

> spec@vax2.concordia.ca (Mitchell Spector) wrote:
> 
> >   Actually the AppleColor RGB used a Mitsubishi picture tube with
> >dot mask. The ones made between 1986 and 1988 look the nicest, with
> >that extremely dark tinted screen (newer ones also used Mitsubishi
> >tubes, but they weren't dark tinted and had fairly mediocre looking
> >color). After Apple replaced my RGB with an 1990 model, I spent a
> >couple of years tracking down another old one. I fixed the brightness,
> >focus and voltage to the color guns and now it looks as good as new.
> >(I have another three, but one has bad convergence, the other has
> >a blown flyback transformer and/or microfractured tube and the final 
> >one is that gross 1990 model I mention above).
> 
> >Mitchell Spector
> >spec@vax2.concordia.ca
> 
> I'll buy that. I have not looked at it in a long time. I recall the color as
> being so good that looking back, I figured it must be a Trinitron (like the
> original Mac II Trinitron I'm using as I type this). I think it is one of the
> older ones since the color was always spectacular and I recall the darkness of
> the glass outside the picture area. I bought it through the developer discount
> program just to take some pictures of the screen for news releases. It
> photographed so well (using my 256 color LUT in the ImageWorks color option it
> was as good as the Mac II) that I had some of the slides made into artsy 
> poster prints and framed em.

Heh.  At Quality Computers we actually _videotaped_ that monitor for some
of our videos.  (The NTSC that comes off a IIGS is by no means standard. 
Our pro video gear barfed on it.  So we were forced to point a camera at
it...)  Luckily the picture was good enough to be vaguely legible...

-- 
Jerry Kindall   mailto:kindall@mail.manual.com   Technical Writing
Manual Labor    http://www.manual.com             Web Design, etc.

MWJ, the Weekly Journal for Serious Mac Users  http://www.gcsf.com