the top sonic echelon, 2 toshiba 12au7 ecc82 preamp tubes, revered long plate special hi-s editions, audiophile crown jewels
these hard to find direct japan imports were selected for low noise sound reproduction and premium grading quality
sought after by guitar players for their rich creamy mids and lush warm holographic layering similar to telefunken
the incredibly organic tone is sweet and extended w/ a mellow yet open sound and beautful clean tones, legendary vocals!
the later breakup and bass stage is harmonically rich, defined involving lows w/ a musical transparent experience
immerse yourself and upgrade your preamp w/ luminous vintage audio, special screener hi-s labels visible + oe boxes included
~
full conductance test slightly wonky 116/115~116/114 % mutual gm (65 good) + life test pass! (key longetivity indicator)
our unique gm output test applies 225 vdc simulating actual operations w/ filtered dc + leak short gas check
mutual gm conductance scores relate to the ability to transfer current, especially important for push pull amps
~
we pride ourselves on a proprietary complimentary value-added refurb screening deox process
always give 100+ session hours at your amps voltage (breakin is important)
ships fast well packed worldwide, plus free postage!
~
authentic vintage hifidelity audiophile / preamp / mic tube curation by caliacoustics
see our official site! reserve/request options and 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
~
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