The CV1676 is a directly heated triode designed for telephone repeater amplifiers. The prototype was the LS8A. The old GPO code is POVT108.
The KB/Z identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the Z identifies the maker as MO Valve Company, Hammersmith.
The bright anode with the filament tension springs fixed into a glass rod.
Side view of the box anode and tension spring coils.
The three inverted V filament loops.
The top view with the six oxide coated filament wires passing into the grid through the top mica.
The classic envelope is 45 mm in diameter, and excluding the B4 base pins is 92 mm tall.
