CV2752 (commercially the PR60A) is a tetrode pulse amplifier with a 60 Watt anode dissipation.
The KB/DF identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the DF identifies the maker as Mullard Radio Valve Co., Waddon.
The no internal structure is visible.
The anode looks to be made of graphite.
The sintered glass base has several cracks around one of the base pins. The solid pins are extended and a fifth pin in the centre holds the external ceramic disc in place.
The wide glass tube envelope is 76 mm in diameter and, excluding the base pins, is 110 mm tall.
References: Data-sheet. Type CV2752 was first introduced in 1955. See also1955 adverts.
