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Western Electric 300b Engraved Classic Audio Output Tube New In The Box+paper For Sale
Up for sale is this New in the Original Box, Vintage Western Electric 300B audio output tube. The box also contains the original specification information sheet. Being a new tube, the glass envelop is tight to the bakelite base. The base is engraved/stamped "Western Electric U.S.A. 300B". The box has some staining on the outside. This classic audio tube, first manufactured in 1938 until 1988...is known as "the best triode amplifier in the world today!" The 300B was opened from it's sealed box, then tested on a U.S. military grade mutual conductance tube tester, a TV-7D/U. The Gm reading was 76/58...... with no gas![see pictures]. The tube will ship to the winning buyer via USPS, FREE, ONLY WITHIN the U.S.A. The cost of insurance[if wanted]will be extra. Outside of the U.S.A., the tube will ship via USPS International Priority package mail from zipcode 10701. The winning foreign buyer WILL PAY the cost of shipping, plus insurance if wanted!! Good Luck offerding!
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Western Electric 300b Engraved Classic Audio Output Tube New In The Box+paper: $4,494