10 Vintage Box RCA 6SF4 / 6SF4A Premium Black Plate Tube Valve - BangyBang Tubes

Listing includes 10 tubes.

Brand: RCA

Type: Premium Vintage Tube

Model: 6SF4A

  • Black Plate
  • Double Mica
  • Glass Envelope
  • Original Factory Boxes included

Country of Manufacturer: USA

Collectible item.

LOT016-7

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