GE 6BA6 EF93 6F36 Sharp-Cutoff Pentode TESTED 100/120 NOS Strength

8 PCS 6K4P 6К4П (6BA6, EF93) LIGHTLY USED VACUUM TUBE USSR HF PENTODE

10 PCS 6K4P / EF93 / 6BA6 / W727. Pentode Tubes.Etracer Tested.HF Audio Tubes.

(1) Tested Very Strong The Fisher EF93 6BA6 Tube Remote Cutoff Pentode Tube

6K4P-EV 6К4П-ЕВ soviet Pentode Vacuum Vintage HF Tube EF93 6BA6 W727 5376

(1) Tested Sylvania 6BA6 EF93 Tube Red Letters with Box Code db AAA Pentode Tube

RCA 6BA6 5749 EF93 CV454 VACUUM TUBE SUPER SWEET SINGLE NOS NIB ORIGINAL BOX

7 PCS 6K4P 6К4П (6BA6, EF93) USED VACUUM TUBE USSR HF PENTODE