RCA Black Plate 6SN7GTB Well Balanced Single (2.5%) NOS 6SN7

This is a well balanced single RCA 6SN7GTB vacuum tube. This tube has well balanced plates. It has staggered black plates, bottom getter, and red lettering. It has a medium, clear glass envelope and a slim base. This is a highly sought after RCA 6SN7GTB tube, act quickly before they sell out!! More available upon request.

Be careful buying tubes from sellers who list tubes as matched if they do not provide test results or the equipment that they tested their tubes on.

I personally tested these tubes on my recently calibrated Hickok 600a and my TV7D/U and the results are as follows:

2,925/2,850