Hi there, I'd appreciate any help or suggestions. I just purchased an X-Can v3 from someone. Rocket Logo, platinum grade (Upscale Audio) 6H23-EB's are installed. These are excellent sounding tubes, but.... There is a soft hum or buzz coming through the left channel. Faint, but noticeable...

Hello to all, Some months ago I purchased a Little MKIVse from the classifieds here. I love the sound of the amp, the price/performance ratio is for my ears terrrific. However-- When I first got the amp, a crackling/hissing appeared in a short time in the right channel. Got on the...

I'm very new to the Head-Fi community, but want to pose a question about 6dj8 tubes and 6922's. I am an X-cans v3 listener, the cans are Sennheiser HD595's. I hated the Jan Philips Mil-Spec tubes installed by the manufacturer in the Xcans. Absolutely painful listening. Started reading...