Summary
Used for full-wave power rectification in domestic radios and other electronic equipment with moderate power requirements from about 1950 until the end of valve radio production in the 1960s.
Australian made Mullard branded tubes were normally manufactured by Philips but could also have been made by AWV. The excise mark, if present, can be used to tell which.
Manufacturer: Philips Electrical Ltd., Hendon, South Australia
6.3 V indirectly heated cathode. Maximum D.C. Output per plate 70 ma. Similar to 6X5.
Physical Description
Miniature tubular bulb on 7 pin base.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source, 19 Apr 1972
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Manufacturer
Philips Electrical Industries Pty. Ltd., Hendon, South Australia, Australia, circa 1960
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Inscriptions
Bulb: 6X4/(MULLARD logo)/Made in Australia
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
65 mm (Length), 18 mm (Outside Diameter)
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Keywords