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Old 12-18-2012, 07:56 PM
Pete Deksnis's Avatar
Pete Deksnis Pete Deksnis is offline
15GP22 demo @ ETF 2007
 
Join Date: Jan 2005
Location: Big Rapids, MI
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Quote:
Originally Posted by Penthode View Post
The service notes show the luma response rolling off after 2.5 MHz.

I am curious if others see the same on the CTC4, CTC5 or any color sets of that vintage? (I am referring to the post CT-100, 21CT55 sets).

Cheers, Terry
I will hopefully be able to sweep the video amps in the Philco TV-123 chassis (1955 design) shortly; am surprised to see the 2.5 mc figure and wonder if the TV-123 matches the CTC5. For reference, the CT-100 is eyeball flat to 3 mc where it drops quickly to zero at the chroma carrier point.

Pete
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