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Barco 908

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gregstv
Full Member

Posts: 244

Barco 908 May 14, 2016 20:00:18 GMT -5

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Post by gregstv on May 14, 2016 20:00:18 GMT -5

Hi Guys,
Has anyone played with a 908? 9 series boards with 8inch tubes. I have built one as my test jig but I am getting a bit of smearing. I am thinking its a issue between the 9 inch neck board and the 8 inch tubes. Was the a special neck board for these units?
Thanks,
Greg

gjaky
Master Tech

Posts: 642

Barco 908 May 15, 2016 1:30:00 GMT -5

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Post by gjaky on May 15, 2016 1:30:00 GMT -5

On an other site someone wanted to buy R763027 type of neckboards for his 908, so I assume they are the same az used in cine9/909. What tubes did you use? Perhaps the 908 also used low capacitance tubes too (just like LUGs), and you don't have the same tubes (I'm just guessing here). One idea: try a lower resistor at R35 (100k?)

gregstv Full Member Posts: 244	Barco 908 May 15, 2016 2:02:06 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by gregstv on May 15, 2016 2:02:06 GMT -5 am using PT18 tubes. I might try a P16 and see if it makes a difference.

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Sept 16, 2023 16:02:07 GMT -5 *

mastertech: Not finding much. Maybe get the part numbers off those 2 devices mounted on the heatsink near that resistor. Sept 15, 2023 21:03:01 GMT -5

Sept 15, 2023 6:44:08 GMT -5

dirty666: Hi mastertech, here are better fotos. I hope you can help me

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i.postimg.cc/c6fG0L1Q Sept 15, 2023 6:41:16 GMT -5

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mastertech: Can you post a picture of the entire back side of that board? Sept 10, 2023 18:39:49 GMT -5

dirty666: It is R23 on the platine Sept 10, 2023 7:07:25 GMT -5

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dirty666: Here are some Pictures Sept 10, 2023 7:00:02 GMT -5