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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nec nippon 12at7 ecc81 are audiophile crown jewels! revered sq worldwide, neutral tone and phenomenal bass stage
legendary smooth sound reproduction, rarest dgetter editions w/ highest resolution and warm resolve
nice silkscreens! 4 direct japan imports carefully curated and twice tested
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full conductance test 102/105~105/101~106/109~102/110 % gm (65%)+life test pass! (life check=key feature other testers lack)
our mutual gm output test applies real world 225vdc voltages w/ filtered dc, plus an impeccable gas test and leak/short check
gm relates to current transfer ability, whereas gain is a signal amplification factor ~ a subtle difference based on actual voltages
give several sessions or up to 100+ hours w/ your specific amps voltage to settle in (break-in is important)
ships well packed worldwide ~ authentic vintage hifidelity audio curation by caliacoustics