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1. Matched Pair Svetlana 300B tubes, NOS from 1998

   These are re-tested excellent on my digital Maxi Matcher tube tester. These are NOS from 1998, comes with white boxes. Tube 1: Ip (plate current) = 8.45, Transconductance = 6.02 Tube 2: Ip (plate current) = 8.43, Transconductance = 6.07 thank you for looking !.

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2. 1 Matched Pair PSVANE 300B-Z TREASURE Collector Edition Vacuum Tubes 300B

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3. NEW!!! 2pcs Matched PSVANE 300B-T3 ART Series Vacuum Tubes 300B

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4. UX4 valve plug electron tube valve base not socket for 300B 2A3 572B valves

   UX4 valve plug electron tube valve base not socket for 300B 2A3 572B valves

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5. Psvane 300b-T mark II series silver bottle matched pair

   The Psvane 300b-T mark II series silver bottle matched pair vacuum tube, manufactured by Psvane in China, is a vintage part that is highly sought after in the sound and vision industry. this tube offers reliability and quality for audio enthusiasts looking to enhance their vintage sound systems. Its distinctive model brings a touch of nostalgia and authenticity to any audio setup, making it a valuable addition for those seeking a classic sound experience. excellent working condition only used for 20 hours or less I have since upgraded to Western electric.

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6. Western Electric 300B Matched Pair Vacuum Tubes in Wooden Box Made in USA NEW JP

   Condition : NEW.

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7. TAKATSUKI PLS Vacuum Tubes TA-274B Output Amplifier Tubes genuine New BTO

   Maximum DC output current 225mA. Maximum transient current 2.5A within 20msec. Peak plate current 700mA per plate. About Importer's Obligation.

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8. New For Guiguang 4300B Tube 300B matched pair

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