1) holographic warm sound reproduction (telefunken / siemens germany + philips valvo + mullard gt brit + toshiba japan)
2) pleasant long-listen full frequency dynamics and extension (siemens germany + valvo hamburg + mullard gt brit + ei yugo)
3) natural organic tonality w/ flat response (telefunken germany + valvo hamburg + siemens germany + tungsram hungary)
4) precision and warm bass w/ depth and translucent resolve (siemens germany + valvo / amperex heerlen + matsushita japan)
5) musical warm dynamics w/ detailed expansive sound stage (amperex usa + siemens germany + mullard gt brit + sylvania usa)
6) pure clarity w/ layered detail and subtle compression (telefunken / lorenz germany + tungsram hungary + tesla czech)
the top sonic echelon, vintage telefunken are audiophile crown jewels, rich smooth holographic layered tonality
this revered rarest red tip special edition pair was selected for medical / eeg lab machines in germany, instrument grade!
this translates into the lowest noise floor ever + purest sound reproduction, and an organic flat natural mid-response
the highs are natural w/ a pleasant compression often described as liquid smooth transitions and warm bass depth
the clear resolve of telefunken is captured via ribbed mica unique tone-doubling, which accentuates vocal nuances
all tubes are twice tested and audio phono grade + mic certified via an important studio grade noise check
germany <> diamond bottom authentic w/ milky ring top, oe fragile telefunken boxes included + free postage
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full mutual gm test w/ balanced conductance via tv7, 80-75 / 82-75 (62 good) + life test pass (key longetivity indicator)
gm conductance is the ability to transmit-current, especially important for push-pull high end preamps
all tubes have been sound checked in a sound studio w/ ultra high res headphones and premium aira preamps
we also pride ourselves on a proprietary complimentary value-added refurb screening and deox process!
give 100+ session hours w/ your specific amps voltage to fully cure and settle in (break-in is important)
ships well packed worldwide w/ telefunken boxes
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authentic vintage hifidelity audiophile / preamp / mic tube curation by caliacoustics
see our offical site for reserve and request options + limited run rarities, parts list below
including special editions + rare true-nos sealed boxes + pinched tight 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 12bh7a / ecc83 ecc82 ecc81 e82cc e81cc
6bq5 6au6a 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 e80cf ez81 ecc85 ef804 e180cc gz34 (6cg7 + 6fq7 soon)