Matched Quad of NOS GEC TT22/KT88

Here is a Quad of the rare GEC TT 22 tubes. These are the 12.6v version and 3 getter higher power version of the TT21's which are 6.3v and both can replace the KT 88's with the right adaptor and anode cap. They are NOS with 3 having the same date code. I having a different date code. They will ship in the original boxes. They are a matched quad and wont disappoint. These don't come up for sale often. Don't miss out on these great tubes.