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CRT Power Supply

The General High Voltage CRT Power Supply, CR25 series, is a bespoke cathode ray tube power supply unit with auxiliaries that provide a highly regulated output for many of the electrodes in a high-resolution shadow mask colour Cathode Ray Tube (CRT).

The product is rated at 28kV and 30W. The DC input voltage is 38V (nominal) and the anode output voltage is adjustable between 20kV and 28kV. The output regulator circuits are designed to provide a power supply which has good static and dynamic regulation, combined with very low ripple, ensuring a display that remains stable and sharp over a wide range of brightness modulation. As well as the anode supply, rated at 30 Watts, the module generates adjustable focus G1 and G2 outputs. Current limiting circuits are fitted to protect the outputs against overloads and short circuits. All outputs are individually regulated. Ruggedised military type specification available.

Genvolt have designed and manufactured a large variety of power supplies to meet a multitude of requirements. These power supplies were designed specifically for individual customers and whilst they are not available as ‘off the shelf’ products we are able to use these designs and others to create a tailor-made solution to your high voltage requirements.

Additional information

Input Voltage


Input Frequency


Output Voltage


Output Power




Output Adjustable Range

80% to 100% Voltage

Voltage Ripple


Load Regulation


Line Regulation



Flashovers, Short circuits

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Genvolt Engineers have also offered customised technical support to hundreds of customers, who represent countless agencies, research departments and global organisations for multiple products across many applications. The people that work with us know they can trust our vision, products and services as we build strong partnerships.

Our vision is to provide customers, of high voltage technologies, with a high level of support and industry-leading expertise so as to deliver the best solution to their requirements.

Whatever your high voltage power supply
requirement, we can help!

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