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Ediswan MU2 Rectifier.
The tendency in television reception is towards the use of higher voltages on the cathode ray tube. At one time a supply of 2,000 Volts was deemed adequate for all requirements, but it is not uncommon to find that voltages of double this figure are now being used. The Ediswan MU2 Rectifier, which is of the half-wave mercury vapour type, has recently been redesigned and is now rated for a maximum peak reverse voltage of 10,000. This has necessitated the removal of the anode connection from the four-pin base, and the fitting of a top-cap. Its filament is rated for 1.0 Ampere at 2.0 Volts, and the anode is rated, for an input of up to 4,000 Volts RMS. When the anode and filament supplies are switched simultaneously the maximum rectified current is 25 mA, but the peak emission current is 150 rnA. It is priced at 17s. 6d.
The data-sheet can be found here.
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