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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