GEC England KT88 Matched Quad Amplitrex Tested

For your consideration is this matched quad of very rare GEC England KT88 tubes.These GEC KT88's have been tested on our Amplitrex tube tester and all test NOS. Please enquire if you need larger matched sets. From a collectors stash we have a limited supply of these super rare tubes. Please messa...

For your consideration is this matched quad of very rare GEC England KT88 tub...