we pride ourselves on a proprietary complimentary value-added complete refurb screen and deox process, plus free postage!
also check out our official site! new part numbers including true-nos sealed-box rarities, and reserve/request options
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set of 3 old stock 12at7wa preamp tubes by ge usa, revered audiophile crown jewels! 
the black plate tone is legendary for its rich open detail and warmth, simply phenomenal sound reproduction
a pair and a spare! carefully curated set and twice tested
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take your listening experience to a higher level of 3-dimensional engagement w/ immersive holographic imaging
these vintage types are coveted for their live-concert style delineation of instruments vocals and percussion
tune and transform your sound reproduction across multiple genres w/ more realism and delicate warm intimacy
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full gm conductance test 125/124~122/125~ 120/120 % gm (65%)+ life test pass! (life check = key for longetivity)
gm scores relate to current transfer ability, whereas gain = amplification factor, a subtle difference based on real voltages
give 100+ session hrs w/ your specific amps voltage to fully cure, ships fast worldwide well packed w/ boxes
~authentic vintage hifidelity audio curation by caliacoustics~