Brimar, Made in England. ECC83 12AX7 Valve Tube. NOS, Supplied in White Box. Short Grey Plates, Halo Getter.
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12AX7 BRIMAR. GREY PLATE, RING GETTER.
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From my own valve Brimar made in Great Britain ECC83 12AX7 tests very strong BK test = 90/91 Hickok test = 1500/1600 mhos gm
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Brimar England ECC83 12AX7 Short Plate O getter 1961 Valve Tube Strong (M29). BK600 = 90/91 New 89 up No gas shorts grid emissions Hickok test 2400/2300 mhos gm
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You will receive 1 piece of ECC83 Brimar used (60% -80%). Our usual tube tester is the AVO VCM163. One of the best testers in the world. Made in the UK and testing used. We have a selection of grey or black anode as well as single or double anode.
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Tested on an AVO CT160 valve tester. Hand- selected and rigorously tested in Brimar’s legendary UK labs, these rare samples represent the peak of quality, consistency, and sonic purity. A pair of Brimar 12AX7 (ECC83) laboratory samples.
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It can be wiped off and destroyed VERY easily. NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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I have unwrapped them only for the purposes of photographs.
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