Cooling is by radiation and forced air through the base, along the envelope, and over the plate seal and radiator-type plate connector. It is intended for use as a zero-bias Class AB2 amplifier in radio-frequency or audio frequency applications.
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Cooling is by radiation and forced air through the base, along the envelope, and over the plate seal and radiator-type plate connector. It is intended for use as a zero-bias Class AB2 amplifier in radio-frequency or audio frequency applications.
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The Gov't is collecting high duty on small parcels from China.
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New old stock. Material is ceramic. No idea what this was used in. Definitely not a common socket.
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Vintage 3-500Z Tube Sockets. Used. These might have been used on 4-400’s. Since the one socket is labeled. This is for the pair.
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Made in US! High quality socket!
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Used when a 6.1 height 3-500Z replaces a 5.5 inch high 3-400Z. Ships free to USA lower 48.
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3 NEW AMPEREX 3-500Z / 8802 TUBES. MASSIVE HEAVY ANODE WEIGHS MORE THAN OTHER SIMULAR TUBES ON THE MARKET. ONE PIECE PLATE CAP, NO SET SCREW TO BECOME LOOSE. ONE YEAR WARRANTY. NO BURN IN REQUIRED, NEW PRODUCTION. AMPEREX QUALITY TUBES USING USA OWNED AND PROPRIETARY TECHNOLOGY.
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