LINDAL by GE 6AD10 Tube NOS NIB Excellent Test Results on Pentodes HICKOK 6000A
One Excellent LINDAL 6AD10 Tube. GE Mfg., LINDAL Lettering & Box. Tube Design: 6GX6 Pentode + 6AQ5 Beam Power Section. Balanced Results on a Reference a HICKOK 6000A Tester. Tube Readings for the Pentode & Beam Power Section.
