(!!!) (Best Pair) 5Z4 RCA NOS 1959 (50-50/40 and 51-51/40)
$ 21.99
1 pair) JAN-CRC-5Z4 RCA NOS 1959
1 tube) 50/40 and 50/40
1 tube) 51/40 and 51/40
See more: vacuum tube
1 pair) JAN-CRC-5Z4 RCA NOS 1959
1 tube) 50/40 and 50/40
1 tube) 51/40 and 51/40