Pair RCA 12AU7A ECC82 NOS NIB Long Grey Plates Halo Getter Serious Tubes D671
Getter: Top Halo. Manufacturer: RCA. The tubes need to get to you in one piece. Mutual Conductance: 3150/3150gm and 3150/3100gm where 1950gm is minimum and 3000gm NOS. Plate(s): Long(17mm) Grey Ladder.