10 Vintage Box Military RCA 6SF4A / 6SF4A Premium Tube Valve - BangyBang Tubes

Listing includes 10 tubes.

Brand: RCA

Type: Premium Vintage Tube

Model: 6SF4

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

Country of Manufacturer: USA

Collectible item.

LOT016

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