Tung-Sol QUAD (FOUR) Factory Tested 6SN7 6SN7GTB Tube


QUAD Tung-Sol 6SN7 6SN7GTB



Four 6SN7GTB Tung-Sol tubes. This is a gorgeous tube, fitting for amplifiers new or old. Super linearity, low noise, and full performance ratings make this one of the best 6SN7 tubes ever made. The sound signature is on par with 5692 types. Excellent driver tube in high-end audio applications.

These are fully tested by the factory at real-world voltages with state-of-the-art testing equipment. These also come with the factory 90 day warranty.