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Television Standards Converters, Modulators etc Standards converters, modulators anything else for providing signals to vintage televisions. |
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25th Aug 2015, 9:04 am | #1 |
Triode
Join Date: Sep 2014
Location: Bristol, UK.
Posts: 25
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Aurora Picture/Sound Carrier Ratio
HI
Can anyone confirm; Does the Aurora produce the correct 405 line vision to sound carrier ratio? A high sound carrier could lead to picture/sound crosstalk? From memory I think the 625 line ratio used to be around 7dB and then later reduced to 11dB as set design improved, what is it at 405 lines? Regards Wattlessdropper |
25th Aug 2015, 8:04 pm | #2 |
Hexode
Join Date: Mar 2014
Location: Dublin, Ireland
Posts: 398
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Re: Aurora Picture/Sound Carrier Ratio
Hi
Aurora SCRF405A default vision/sound carrier ratio is 6dB but is adjustable if necessary. I have never, however, needed to change from default - perhaps the problem is with set IF alignment - is issue evident with more than one set? Hope this helps Regards John |