Mullard ECC81 New Old Stock Valve tube. Part of some nos valves I bought off a collector. Please check My ebay for similar ones.... Price dependant on test results. la 10.5/10.5 gm 5.5/5.5 100% book is la 10 gm 5.5
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Reference tube is tested first then the tube listed for sale.
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Full gm conductance test 130/125~101/106~100/100~90/90 % gm (65) + important life test pass! (key longetivity indicator). incredibly rare late '50s production sought after by audiophiles for their high resolution and live-concert intimate warmth.
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Mullard KB/DA CV455 ECC81 12AT7 O Getter 1964 Dual Print Valve Tested BK600= 86/90
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ECC81 CV4024 12AT7. LONG STALK, RING GETTER, RIBBED ANODE.
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CV4024 ECC81 12AT7 Valve Tube. Mullard, Made in England. Modern Logo Print, Grey Plates, Halo Getter.
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It’s been said that the Mullard sound can be most likened to a warm British jacket of the finest tweed. And I like how Mullard tubes sound, too. Enticingly intimate and warm, almost sweetly so, it’s always a close, handsy dance when listening to a Mullard.
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This premium grade low noise military selection 12at7 ecc81 upgrade (6201 equivalent) includes the oe box + pin protector. full mutual conductance test, pristine balance: +100 % gm (65) + leak/short/gas/life (key longetivity indicator).
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