One Awesome RCA 5636A Tube NIB Dual Pentode Mxr. Test[%]: 112/102 TV-7
One Excellent RCA 5636A Tube. The Calculated NOS Value for a 5636A Tube is : 51/18. TV-7 Minimum for 5636A Tubes: 33/12. NOS NIB Dual Pentode Mixer Sub-Miniature Tube. (Grid #1/Grid #3) : 57/27: 112%/102% of Calculated NOS.