Add to Cart Quick view Zenith 6JB6A NOS for RL Drake Radios, Tested & Guaranteed Zenith MSRP: Now: $21.99 Was: Zenith 6JB6A NOS for RL Drake Radios, Tested & Guaranteed 6JB6 and 6JB6A tubes are interchangeable This 6JB6 / 6JB6A tube is New Old Stock in excellent condition, and tests full grid emission. This... MSRP: Now: $21.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $21.99 Was: Subtotal: Add to Cart