The 1629 magic eye tuning indicator is from RCA who designed the first such tuning indicator in the 1930s. The 1629 is a much later product.

The operating characteristics are the same as for type 6E5.

The end window with target components.

The wide glass tube envelope is 27 mm in diameter and, excluding the IO base pins, is 88 mm tall.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	-	h	a	t	g1	-	h	k

 
Absolute Maximum Operating Conditions

CRT	Vh	Ah	Va	mAa
	12.6	0.15	250	0.25

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 02 February 2008 {find valves by name}