Customer feedback on GF Premium Tubes:

Here is an email feedback we received from customer Thomas L about his personal experience of buying from Chinese vendors vs. Grant Fidelity:

“Hi Rachel,

  Just thought I’d give you a little feedback with my recent purchase.  

“Your (Treasure) 300B-Z is unreal”

SG-2A3-6Feedback received from customer Vismantas B via email:

“Wow, your 300bz  tubes are unreal… Sound is of another world, i use with lm-210ia amplifier .. Definitely i buy one more pair of these tubes:)”