the legendary valvo hamburg sound stage is harmonically rich, lush transparent imaging and phenomenal vocal intimacy
the top sonic echelon limited-run rare '58 production are the hardest to find and capture the most low-register detail + warmth
the euphoric involving sound stage is incredibly expansive, highly musical and features a clear resolve w/ a sparkley finish
the bass is more accurate than siemens + the vinyl style fidelity is revered by audiophiles especially for instruments/percussion
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the breath of life... first-run valvo germany have the most precious quality metals of the tube-era, no comparison to later types
these long life low noise vintage builds offer more tone extension and live-concert holographic sound reproduction
authentic hamburg dj1/d8 etch code w/ nice silkscreens, authentic valvo boxes are included, 3 singles left in stock
all tubes are twice tested! plus sound circuit studio audio noise-free auditioned, and include free postage!
these very popular 6dj8/ecc88 plugin subs are especially useful in preamps that are tough on 6922/e88cc lifetime
they also offer more head room, better low bass kick, and extended upper frequencies due to their linear .3a constant design
often compared to 7308 stages, 7dj8/pcc88 are revered by listeners worldwide, revealing more detail + lively lucid energy
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full conductance test balance 90/91% mutual gm (65%) + useful life test pass! (key longetivity indicator)
our unique gm output test applies real world circuit voltages and has an impeccable gas short and leakage test
mutual gm conductance is the ability to transfer current, especially important for push-pull preamps
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finding an audio grade 6dj8 can be daunting! most sellers don't check for phono-level noise or mic certify them
we also pride ourselves on a proprietary value-added complimentary complete refurb screening deox process
full studio sound auditioned w/ ultra high-res closed-back monitors and premium aira preamps
give 100+ session hours w/ your specific amps voltage to fully settle in (break-in is important)
ships well packed worldwide
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vintage authentic hifidelity audiophile / preamp / tube mic curation by caliacoustics
see our official site! rarities and reserve/request options, 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 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 ez81 ecc85 e180cc e80cf gz34 (ef804 soon)