sought after by audiophiles, revered musical ambient sound stage, phenomenal transparent detail w/ intimate resolution depth
this limited-run is rarer than triple-mica editions and is known to have a bit more air and deliver a touch more warmth
sonically pleasant to listen to, the special e81cc series has some of the best ranked mids of all 12at7 variants
w/ pin-point bass accuracy, extended highs and lush resolve, siemens germany tonal euphony is regarded worldwide
... rumored to rival telefunken ecc801, these are often described as 'more alive than tele w/ less neutral compression'
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audio grade circuit auditioned! known for their lowest noise floor and 10k hour heater lifetime
this tube also includes the original box which adds to its value and collectibility, plus free postage!
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full tv7 gm conductance test 102/110 (50 good) + our unique life test pass! (very important longetivity indicator)
mutual gm scores are the ability to transfer current, especially important in push pull preamps