The product is a vintage 1954 Lansdale JAN-CBRZ 6189/12Au7 vacuum tube, manufactured by Lansdale Tube Co in the United States. This particular tube features black plates and a horseshoe getter with a foil/dangler cross piece, which indicates it is a high-quality and well-made component for vintage audio and video equipment. The 6189 model is known for its superior performance and sound quality, making it a sought-after item for collectors and enthusiasts of vintage electronics. This tube comes with its original mil spec box(see pictures). This tube tested as follows: Triode one-78/100 Triode two-78/100 Tested on a Precision 10-12 tester.
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