ECC81 MULLARD VALVE/TUBE. Condition is "Used". Dispatched with Royal Mail 2nd Class.
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ECC81 Square GETTER. Grey half smooth plate square getter Test: Hickok 1-117-B 4600 /5300 umhos gm strong No gas No shorts
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Mullard Philips CV455 ECC81 Copenhagen Welded Plate 'D' Getter Valve TkB (J231). Hickok 1-117-B test = 5200/5200 mhos GM Between the pins ΔB Τkp
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ECC81 12AT7 B309 Valve Tube. Grey Plates, Square Getter, Tk1 B6H Code in the Glass. Fully Tested on AVO VCM 163.
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Mullard CV4024 M8162 ECC81 12AT7. Fully Tested on the Amplitrex AT1000 Tester. IA: 102% GM: 105%. Test results This Valve.
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ECC81/12AT7 Mullard made in England Used tested Code Tk3 B2F4 (1962) Tested BK600 = 84/82 New 89 up No gas shorts grid emissions
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Philips Miniwatt Ecc81 Valve Tube Avo Vcm163 Tested. la 8/7.5. gm 4/4
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