KimKman, have you had any difficulties with certain brands/types/specimens of 6x4s whistling loudly in your mini torii?

"KimKman, have you had any difficulties with certain brands/types/specimens of 6x4s whistling loudly in your mini torii?"

No issues at all here testing 4 different pairs.

hello , just pm me your address please and i will mail them to you. Based on your findings I will send my mini torii back to steve for repair or consult a psychologist. Thank you

If I could only change one thing, I would upgrade the input tubes. Upgrading the input tubes with good quality cryo treated ones, will help a great deal in the high and low end departments. I just got a pair of these: http://tubedepot.com/bsct-12at7-janphilips.html and the improvement in my bass was massive.