2 x Rare SealedBox TrueNOS SameCode 1962 Telefunken EL84 6BQ5 ~ NOS Power Tube ~ Holy Grail Audio ~ Holographic Layered Tone Natural Mid Band Rich Lush Warmth Clear Resolve

true nos factory fresh tubes are hard to find! especially same code 1962 production telefunken w/ oe shrinkwrap

whether you keep these on your display shelf for decades more, these collectible unopened classics are legendary

highly revered vintage telefunken feature premium metallurgy, superb craftsmanship, and incredible sound quality

telefunken tubes were extensively utilized in 1950s / 1960s hifi and pro audio, w/ their low noise, long life, and organic tone

telefunkens luminous tone-doubling reproduces odd/even harmonics w/ a bloomy mid-band and subtle tonal compression

old production types have a clear harmonic presentation, musical, smooth, layered, lively, w/ balanced control, and sweet

the articulate bass, incredible vocal showcase, and flat frequency response, all contributes to their collectible sonic lore

these are known to be a bit brighter in marshal amps, and many users report significantly longer than rated 10k hour lifetime!

often compared to tungsrams energy or siemens liquidity, low-distortion telefunken are coveted for a variety of musical genres

if opened, give several sessions (up to 150+ hours) w/ your specific amps voltage to fully break-in, before any bench test

ships well packed worldwide