PSVANE Discussion & Impressions Thread

I've always found about 40-50 hours of burn-in for most tubes.  Some have taken longer.  YMMV.

I have to say these Horizon 12au7’s are really nice! More full bodied than the Amperex BB’s I had in there. Given the rest of my system (now using LRS+) the increase in warmth and pace is welcome. Really nice. The previous tubes were kinda thread bare in comparison.

@markmuse 

I am surprised that you observed the Horizon 12au7’s sounding more full bodied than the Amperex BB’s.   I thought that it would be the other way.  I think that the tube sound is very system dependent.  In my preamp, I found the Horizon 12au7’s sounding nice and clear but a little thin for my taste.   Re-issued Gold Lion 12au7’s have fuller midrange, tighter bass, and more holographic sound.

@markmuse 

Our recommendation is to burn in the tubes for about 50 hours to allow them to stabilize. 
During this burn-in period, if you notice that the sound remains consistent without significant changes, it indicates that the tubes have reached a stable state. 
While we suggest 50 hours, it's not mandatory; some reviewers find that 4 hours are sufficient.

@ampus 

What is your preamp? Mine is a Backert Labs Rhythm 1.3+ (has the brass plate). I will add that this is with only a few hours on them so far, but hope it doesn't change.

@alightronics 

Thanks!