Vacuum tubes for amplifiers

JJ NN003 Rhre ECC83S(12AX7) - 400ei TAD JJ 12AU7/ECC82 Tube-400 lei JJ Electronic ECC81 JJ-400lei JJ EL34 Matched Tubes - 1500 lei ( 2 bucati iperecheate) JJ Electronic 6L6 GC-JJ Tubes Duett - 1800lei ( 2 bucari imperecheate)