Mar 25, 2020 · The original GEC KT88 shares nearly the same nimbus as the legendary Western Electric 300b – till today no new tube construction can replace the original design. Availability …

The KT88 was introduced by GEC in 1956 as a larger variant of the KT66. It was manufactured in the U.K. by the MOV (Marconi-Osram Valve) subsidiary of G.E.C, also labelled as …

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KT88 ISSUE 3 The KT88 has an absolute maximum anode dissipation rating of 42W and is designed for use in the output stage of an a.f. amplifier. Two valves in Class ABI give a …

May 31, 2019 · The original GEC KT88 are very rugged tubes and will outlive the current production KT88's by a factor of 4 to 10 for the same operating conditions. This must be taken …

Oct 6, 2020 · The GEKT88 - also sold as a Penta KT88SC, Preferred Series KT88 and TAD KT88-STR and/or STR-Blackplate - is rumored to be Shuguangs direct copy of the now …

Well, you’ve probably guessed by now, we have come to the king of the audio beam tetrodes – the original ‘GEC KT88’. this tube was introduced in the late fifties and its appearance bears …

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The real deal, these were made by GEC in Gt. Britain. Most of these have 3 getters, though we have a few that are the older single getter. All have original boxes that are either blue/gray or …

Original GEC KT88’s. Tightly matched Quad with zero leaks. The tubes have been together since they were new. Tubes were tested on a Jackson 648s.