[Rachel @ Grant Fidelity]

Highly respected online Hi-Fi review magazine has just published review for Shuguang Treasure CV181-Z:

Reviewer Mark Wheeler says :"I have spent many long hours burning-in and auditioning NOS 6SN7 (there's so many to choose from) and the Shuguang CV181-Z beats them all with maybe 50 hours on them and they claim to need 300 hours."

Read full review here: http://www.tnt-audio.com/accessories/shuguang_treasures_cv181_e.html