EL34B Tung Sol $45.95 KT77 Power Tubes $27.99 6CA7 Power Tubes $24.95 EL34-II Power Tubes $25.99 EL34-L-BG (Blue Glass) Power Tubes $25.99 EL34-L Power Tubes $23.95 EL34 Power Tubes $23.95 Tung Sol 6SN7 GTB $46.95 JJ 6SN7 GTB $26.95 CBS-Hytron 6SN7 GTB $52.95 GE Large Plate, Coin Base 6SN7 GTB $57.95 RCA Black Plate 6SN7 GTB $65.29