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Heatercathodeshort · 28th Feb 2015, 4:56 pm

I took these pictures a few moments ago from the screen of my Marconi VC53DA. Same chassis with the same performance.
The full picture was taken in bright workshop lights and this is about as good as they get. My chassis does not have an interlace filter as can be seen from the close up. Even with a brand new B36 the timebases take a few minutes to stabilize but remain OK for an evenings viewing. Focus is 'fair' at mid way setting. This is operating at 240V input. A reduction of 10% makes the receiver unusable and that is with a good H.T. rectifier. EMI at it's very worst. Compare this with the Ferguson 941T and Bush TV12, both produced at the same period. John.

28th Feb 2015, 4:56 pm	#98
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: Marconiphone VRC74DA I took these pictures a few moments ago from the screen of my Marconi VC53DA. Same chassis with the same performance. The full picture was taken in bright workshop lights and this is about as good as they get. My chassis does not have an interlace filter as can be seen from the close up. Even with a brand new B36 the timebases take a few minutes to stabilize but remain OK for an evenings viewing. Focus is 'fair' at mid way setting. This is operating at 240V input. A reduction of 10% makes the receiver unusable and that is with a good H.T. rectifier. EMI at it's very worst. Compare this with the Ferguson 941T and Bush TV12, both produced at the same period. John. Attached Thumbnails