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