08-05-2014, 10:45 AM
Kirk
It is easy to discern 6T5, it dies not have that round tablet piece in the middle lime all ther tubes do, it is just a thin metal pole. So it has a very distinct look about it.
The difference in operation, it does not form a sector shade, the shade is concentric moving from inside out. The Robot dial Zs were all equiped with it, and as those got dark folks replaced them with 6U5 which electrically and pin-wise is equivalent with sector shade.
It is easy to discern 6T5, it dies not have that round tablet piece in the middle lime all ther tubes do, it is just a thin metal pole. So it has a very distinct look about it.
The difference in operation, it does not form a sector shade, the shade is concentric moving from inside out. The Robot dial Zs were all equiped with it, and as those got dark folks replaced them with 6U5 which electrically and pin-wise is equivalent with sector shade.
