N.O.S tubes: EL41 EF41 EF42 Back
N.O.S tubes: EL41 EF41 EF42
EL41......14€ If you buy this tube in combination with other parts 12€
EF41.......6€ If you buy this tube in combination with other parts 5€
EF42........6€ If you buy this tube in combination with other parts 5€