Mullard ECC82 12AU7 Valve / Tube. Tests fine on valve tester.
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The writing is very worn, so it's hard to read if it's a ecc82 or ecc83. Mullard valve, vacuum tube. Tested working in my guitar amplifier.
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Gf2 B8A4 Date Code. TUBE WAS ALSO TESTED ON MY AVO VCM MKlll WITH THE RESULTS BEING WITHIN + - 5%. Tube Gain(K). Plate Emission. Fully Tested. Tested Working & Is In Clean Condition. Ia (mA) - 10.15 / 7.06.
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ECC82 MULLARD. MADE IN ENGLAND (BLACKBURN). GRADE 1 TESTED 70% PLUS. WE WILL RESOLVE ANY ISSUES.
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Mullard ECC82 12AU7. All parcels with value ofGBP20 and over.
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ECC82 MULLARD (12AU7). RING GETTER, GREY PLATE. BLACKBURN FACTORY CODES IN GLASS.
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Tested 2000/2050 mhos gm
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Strong Mullard/eico 12AU7 / ECC82 Long Plate Vacuum Tube 1959 Date, tested on amplitrex at1000 where 2200/2200 is NEW. this tested strong at 2400/2300
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