5Z3G RCA NOS 1957 (60/40 and 63/40) slightly tilted glass
5Z3=5U4G with UX-4 pin base (same specs)
– Korneff 45 SET
– Emotive Audio SIRA
$7.20 $23.99
5Z3G RCA NOS 1957 (60/40 and 63/40) slightly tilted glass
5Z3=5U4G with UX-4 pin base (same specs)
– Korneff 45 SET
– Emotive Audio SIRA
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