Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

STC CV2734 / 4003A ballast lamp

Size This lamp measures 108x27mm overall and has an ES base.


This lamp is designed to give a nominal stabilised current of 0.98A over the voltage range of 3 to 9.5V.

(unfortunately as can be seen this specimen has a broken filament)