This is a Sovtek EL84 6BQ5 single valve. This is an ideal replacement for those single output valve practice amps
The Sovtek EL84 series produce an unbeatable smooth, warm, distortion. Excellent replacements in vintage VOX AC-15’s and the like, Sovtek EL84’s are used by Fender, Crate, and Peavey.We have fully tested each valve for you and give a 120 day warranty. The Sovtek EL84 6BQ5 is tested by us to ensure you receive a good reliable product.