They are the sovtek same tube from the same factory. Warning: Substitutes are datasheet given as a guide only kt88 - please refer to original manufacturers data datasheet sheets to 6922 ensure that a substitute is safe and appropriate for your application. " Meanwhile the distortion products are lower than the 6922 but at 2/ 3 more gain ( see chart below). They are both kt88 terrific. Tube Data Sheet Locator. I am in the sovtek process of building datasheets for all the GT proprietary. Kt88 datasheet sovtek 6922. European designation is ECC88. Added benefits of sovtek the kt88 tube are that it is very quiet.
The Sovtek EL84M is a rugged military issue EL84/ 6BQ5 that can withstand higher plate current than any current production EL84, and is a suitable replacement for the 7189. The noise canceling spiral filaments, thick structural mica spacers, and gold plated contact pins round out the finishing foundations that make this Genelex Gold Lion E88CC / 6922 tube the top choice for discriminating audiophile applications. Get the datasheet here, and find more information on the E88CC / 6922 here. Balanced Sovtek 12AX7LPS Preamp Tube.
kt88 datasheet sovtek 6922
The Balanced Sovtek 12AX7LPS Preamp Tube is an entirely new 12AX7 design from Sovtek and a great step up in sound quality. They have very large ribbed plates and great sound reproduction.