Sensibly equivalent¶ to:
A2543 CV2514 ER43
The Type 43, is an audio output pentode that is designed for use in receivers with a series heater chain. It is electrically identical to the IO based 25A6. The valve is rated for use in low power single ended output stages.
This exhibit has a slim-line classic envelope of 38 mm diameter. Other examples have an envelope diameter of 44-45 mm.
The top mica components. The control grid has a heat radiating fin and copper supports.
The classic envelope is 38 mm in diameter and, excluding the UX6 base pins, is 101 mm tall.
References: Datasheet, 1040 & 1043. Type 43 was first introduced in 1932.
Absolute Maximum Operating Conditions¶
Updated November 01, 2015. shape:classic construction:pinch type:pentode age:1930.1940 base:ux6 heater:300ma pins:6 pin:1.h pin:2.a pin:3.g2 pin:4.g1 pin:5.k pin:6.h