1950's top sonic echelon, vintage black plate cbs dgetters are revered by audiophiles worldwide for their incredible tone!

the high resolution sound stage reproduces sound like no other, 90-degree dgetter production w/ special glass imprints in base

grail ranked warm open expansive tone, intimate fidelity, immersive lush depth, balanced dynamics, and subtle sweetness

the 5814a is a top shelf premium 12au7 ecc82, long-life low-noise ruggedized 12au7wa equivalent at 175ma

twice tested and audio grade circuit ready, true collectible vintage, includes plain or branded box

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full conductance test 105 % gm+ leak short gas check and useful life test pass (a key longetivity indicator)

mutual gm scores are the ability to transfer current ~ especially important for push-pull preamps

all tubes also undergo a complimentary proprietary value-added complete refurb and deox process

give 100+ session hours w/ your specific amps voltage to fully settle in (break-in is important)

ships fast well packed worldwide w/ free economy postage standard

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vintage authentic hifidelity audiophile / preamp / tube mic curation by caliacoustics

see our official site! for limited run rarities and reserve/request options
+ special editions + true-nos sealed box + pinched waist
+ high-resolution headphones + premium vocal stage / 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)