Platinum Matched Pair Sylvania GB 5687 Black Plate Gold Pin Premium Audio Tube Valve - BangyBang Tubes

Brand: Sylvania Gold Brand

Type: Premium Audio Vacuum Tube

Model: 5687

  • Black Plate
  • Double Mica
  • Round Getter
  • Glass Envelope
  • 9 Gold Pins

Country of Manufacturer: USA

Condition: Tested, matched.

Collectible item.

 

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