High quality 6L6GC tube, sturdy construction and great tone! Russian build. They are fully computer tested using the Amplitrex AT 1000 and Roetest professional systems as well as the famous TV-7 D/U. Pairs, quads and sextets are tightly matched using the latest Maxi-Matcher 2 professional matching equipment.

Quickest shipping from NessTone Tube Sales