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Runco vs Barco

Discussion in 'Projectors, Screens & Video Processors' started by KarlRobinson, Feb 17, 2003.

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  1. KarlRobinson

    KarlRobinson
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    Are Runco projectors rebadged Barcos and if so, are they better?

    If they are why does a Runco DTV-940 which looks like a Cine 7 require a 1.33 :1 throw distance but the Cine 7 needs a 1.5?
     
  2. Gordon @ Convergent AV

    Gordon @ Convergent AV
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    Runco use Barco chassis for the current line up of CRT's they do. In the past Runco DID actually modify the projectors they used. They would change power supplies and modify deflection circuits along with colour filtering the lenses. Now, of course, projector manufacturers have started doing this themselves. The CINE series have colour fitered lenses and they didn't when they were launched I think.

    What exact differences there are between 940 and Cine7 I don't know though. The difference in throw could be due to different lenses or just much more aggressive placement and raster useage.

    Gordon
     
  3. KarlRobinson

    KarlRobinson
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    I thought the lense might be different but they are HD-145's.

    Which I believe is the same as Barco.
     
  4. Roland @ B4

    Roland @ B4
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    All Runco CRT's are based now on the Barco Chasis and the vast majority of components are the same. However Runco do do some cleaver mods to certain areas and get Barco to fit them. the colour filtered lenses for instance were not availbe other than fitted to a Runco.

    The HD145 lens is avalable now in three types Plain, or with Red or green filters fitted.
     
  5. Roland @ B4

    Roland @ B4
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    All Runco CRT's are based now on the Barco Chasis and the vast majority of components are the same. However Runco do do some cleaver mods to certain areas and get Barco to fit them. the colour filtered lenses for instance were not availbe other than fitted to a Runco.

    The HD145 lens is avalable now in three types Plain, or with Red or green filters fitted.

    A lot of people refer to CRT requiring a 1.5 throw and in most cases to the back of the projector this is true.

    In fact the thow for the HD145 lens when used with the tube fitted to the above machines is 1.21 but focal point of the lens is some way behind the front of the projector but you need a contant point to measure.

    If you realy want it the projection distance is calculted thus
    PD = (1.21 x Screen width in metres) + 0.213m

    But if you compare that to the lens program there is a differnce of about 100mm

    The Cine 7 , Data 708 and Runco 940 will use exactly the same distance.

    The way us proffesionals do it is put the projector up to the screen and set the width looking down the green lens then pull the projector back. but you have to know how close to teh edge you can go or................ Bang, fizzel. tubes breaks.

    Stick with the lens program it's pretty close.
     
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