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Sylvania 5687 / 5687WA - black plates, halo getter
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2 in stock
Item Number: 67
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This 1960s Sylvania 5687WA is a military spec 5687 tube. It has black plates with copper grid posts and a halo getter. The green print on the glass has the Sylvania logo and reads "JHS 5687WA."
Tube tests as new with low noise. It ships in its original box with test results for current draw (mA) and transconductance (Gm).
This tube is sold individually. Photo is of a sample tube from the lot. |
This 1960s mil spec GE 5687WA has black plates with copper grid posts and a halo getter. Tube tests as new with precisely matched sections and very low noise.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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