the legend is here, extremely rare collectible treble clef logo bugle boy philips amperex 6dj8 ecc88
grail rated balance and lively sound reproduction, top to bottom wide stage and detailed imaging
the crown jewel of any audiophile stash especially for vocals w/ sublime 3d presence and lush resolve
the dutch house aftertaste is revered worldwide for its cymbal style dazzling resonance and warmth
this '60s limited run edition has the most precious metallurgy of the tube era = more accurate sound reproduction
these are one of the best preamp stereo and rode k2 ntk tube mic upgrades, lively musical and timeless
audio phono grade circuit auditioned collectible, includes amperex box and free postage!
mutual gm test balanced 109/110 % gm (65 % good) + life check pass! (important for longetivity)
our unique gm output test applies 225 vdc simulating actual operations plus filtered dc + leak short gas check
mutual gm conductance = current transfer capability, especially important for push pull amps
twice tested for unparalleled accurary! via legendary tv7/hickok 539c
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studio auditioned via high resolution monitors and aira preamps w/ no noise and no microphonics
all tubes also undergo a complimentary proprietary value-added full refurb screening and deox process
give 100+ hours w/ your specific amps voltage to settle in (break-in is important)
ships worldwide well packed w/ authentic amperex holland heerlen boxes
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authentic vintage hifidelity audiophile / preamp / mic tube curation by caliacoustics
also see our official site! reserve/request options and new part number list below
including limited special editions + rare true-nos sealed box + pinched waist
also high-resolution headphones + premium vocal stage and studio mics
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6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cca
12ax7 12at7 12au7 12bh7 / ecc83 ecc82 ecc81 e82cc
6bq5 6au6 6267 6ca7 6ca4 6aq5 / 6v6 6l6 6sl7 6sn7 5y3 5u4 5ar4
5814 5751 5965 6189 6201 7062 7189 / cv2492 cv4004 cv455 cv4085
el34 el84 ef86 ef94 ez81 ecc85 e180cc e80cf gz34