Genalex Gold Lion vacuum tubes are legendary in the guitar and hi-fi audio industry for their power, clarity, resistance to feedback, and much more. The Gold Lion tubes are carefully engineered and crafted in Russia to outperform any tube on the market. These premium vacuum tubes make great replacement tubes, a fantastic way to upgrade your live amp, and a very popular method for getting the most out of your vintage tube guitar amplifier. GearNuts is very proud to offer you these top-of-the-line vacuum tubes. These EL84/N709 power tubes deliver classic British-amplifier guitar tone. Genalex Gold Lion EL84/N709 Platinum Matched Duet Power Tubes Features: Matched Duet Top-quality power tubes from a legendary manufacturer EL84/N709 tubes offer classic British tone Fantastic option for upgrading vintage amplifiers The Gold Lion EL84/N709s are top-quality power