Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).
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Manufacturer: Tungsram for QTL(British Distributor). Plate(s): Short(14mm) Grey Ladder w/Copper Grid. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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You are buying an Amperex Bugle Boy Red Tip 12AX7 ECC83 D Foil Grey Plate Tube Holland NOS. Great Silkscreen. Measure in my TV-7D/U 47/48.
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These RCA 12AX7A are one and only tube to have in the V1 slot on any guitar amp. It has that 1960s sound, excellent breakup, and a smoothness that must be heard to be believed! These are the original 1960's RCA made 12AX7A tubes from the Harrison, NJ.
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1 Pair Marshall ECC83 12AX7A VLVE-00067 Vacuum Tubes Copper Rods. Tested on an Amplitrex AT1000.
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12AX7 = ECC83. AUTHENTIC 1950's Amplitrex AT1000 TESTED RCA 12AX7 SINGLE TUBE. REAL N.O.S. RCA USA 12AX7. serving as a desirable ECC83 = 12AX7 tube; representing the best of its kind. [ 12AX7 ] REMAINS.
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I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Sylvania 12AX7A. Top [] Getter. AMPLIFIER TYPE TUBE. AUDIO VACUUM TUBE. TESTED on HICKOK TV-7. MADE IN USA.
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