Matched Pair 6f6s (6f6g,6f6gt,kt63,n63) Pentode Cobra Tube Nevz Plant From 1967

Matched Pair 6f6s (6f6g,6f6gt,kt63,n63) Pentode Cobra Tube Nevz Plant From 1967

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MATCHED PAIR 6F6S (6F6G,6F6GT,KT63,N63) PENTODE COBRA TUBE NEVZ PLANT FROM 1967
2 pcs 6F6S (6F6G, 6F6GT, KT63, N63) NEW / MATCHED PAIR / COBRA / SHIPS FROM US
MATCHED QUAD 6F6S (6F6G,6F6GT,KT63,N63) PENTODE COBRA TUBE NEVZ PLANT FROM 1967
1 PCS 6F6S ( 6F6G,6F6G,6F6,6Ф6) NEW VACUUM TUBE USSR VINTAGE
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NEW 1pcs 6F6S COBRA PENTODE Tube NOS 6F6G 6F6 KT63 N63
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