Not a replacement, but an improvement!

EML 20A, EML300B, EML5U4G in COLOTUBE amplifier, on 6moons Website
300B-XLS in ALLNIC AUDIO amplifier, on 6moons Website
Amplifier Test Yamamoto-A09 on 6moons Website
Emission Labs 45 Test on 6moons Website, by Srajan Eban
Emission Labs 520B Newsflash on 6moons Website

Emission Labs 45 Test on 6moons Website, by Micheal Lavorgna
Emission Labs 320B-XLS Test, by Bert Fruitema
Emission Labs 300B-XLS Test, door Johann Schut
Emission Labs 300B-XLS Test by Johann Schut
Emission Labs 300B-XLS Test, door "Triode" Dick van de Merwe
Emission Labs 45  Test by Michael Walsdorf
Emission Labs 45 Mesh by Robert van Harn
Emission Labs VV300B Test in STEREOPLAY GERMANY, by Dr. Burkhard Schwabe