Item Tag: United States

premium vintage sylvania 5881, high power 6l6wgb, legendary quality, tonal transparency, and lots of punchthe highs are clear w/ a tight bottom end, and the musical revealing harmonic content is rich and has depth the warm metallurgy, fat bottle design, and low-noise + longetivity, all contibute to the 5881 collectible sonic lore these are a popular low-headroom substitutes for 6l6gc w/ increased breakup at lower volumes, great for fender amps these were also oe in many other amps including sunn, magnatone, heathkit, fisher, scott, rivera sg and more carefully curated, and twice tested for conductance, w/ plain or branded tube box includedplus complimentary refurbish and deoxit pin process! one of a kind value-added quality control full mutual gm conductance test, 4 available: 112 ~ 110 ~ 110 ~ 105 % gm (65 % min good) + life test pass! a key longetivity indicator + leak / short / gas check ships fast well packed worldwide w/ free economy postage! authentic vintage hifidelity audiophile / preamp / power / mic tube curation see our official site for new arrivals + reserve request options + limited special editions + rare true-nos sealed box + pinched waist +high-resolution headphones