I’m using a full set (including driver) of these Sino 845 tubes in my Triode Corp TRX-M845 amps. https://www.tubedepot.com/products/sino-845-power-vacuum-tube
They sound great and are a favorite of the Viva amp guys. Very inexpensive considering the quality.
They sound great and are a favorite of the Viva amp guys. Very inexpensive considering the quality.