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Matched Quad Penta Laboratories 5670 / 2C51 / 6N3 Black Plate Vintage Audio Audio Vacuum Tube Valve - Bangybang.tube

Listing includes 4 matched tubes.

Brand: Penta Laboratories

Type: Premium Audio Tube

Model: 5670 / 2C51

  • Black Plate
  • Round O Getter
  • Glass Envelope
  • 2 Mica

Country of Manufacturer: USA

Condition: Tested, matched.

Collective value.