Psvane manufactures different quality levels of tubes. The ACME is their uppermost tier for the 300b.
Charles
Elrog 300b vs we300b
I am looking for an upgrade to my elekit tu8600s. Currently have cossor black plates. I use the amp for my hd800s and zmf atticus. I am looking for more transparency, dynamics and a bigger stage. I am interested in a richer tone too so not sure which direction to go. Any thoughts?