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Description
1 pair) 5Z3G RCA NOS 1957 same date codes in gold colored boxes - slightly tilted glass
1 tube) 56/40 and 59/40
1 tube) 57/40 and 60/40
5Z3=5U4G with UX-4 pin base (same specs)
- Korneff 45 SET
- Emotive Audio SIRA
1 pair) 5Z3G RCA NOS 1957 same date codes in gold colored boxes - slightly tilted glass
1 tube) 56/40 and 59/40
1 tube) 57/40 and 60/40
5Z3=5U4G with UX-4 pin base (same specs)
- Korneff 45 SET
- Emotive Audio SIRA
