Description

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 110/109~110/108 % 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 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! vintage authentic hifidelity audiophile / preamp / tube mic curation by caliacoustics see our official site for new arrivals, reserve/request options + limited special editions + rare true-nos sealed box + pinched waist + high-resolution headphones