Summary
Directly heated power output triode. Could produce an output of 2.6 watts with a 400 V plate supply.
4 V directly heated cathode.
Manufactured by Philips, Holland
Physical Description
Large conical glass bulb with four pin European style 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 - Likely Donation, 1981
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Manufacturer
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Inscriptions
Paper label on base: E408 Bulb: PHILIPS/MINIWATT/E408/171/Made in Holland
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Brand Names
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Classification
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Type of item
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Overall Dimensions
129 mm (Length), 56 mm (Outside Diameter)
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