I61 B3E4 Blackburn Code in the Glass. Yellow Print ECC83 12AX7 Valve Tube. Mullard Blackburn, Made in Great Britain. Short Grey Plates, Halo Getter.
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ECC83 12AX7 Valve Tube. Mullard Blackburn, Made in Great Britain. Short Grey Plates, Halo Getter. Fully Tested on AVO VCM 163.
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2x Mullard ECC83 Valves Date Code: ◿8K (1958), ◿8J (1958) Manufactured by PHILIPS in their Heerlen factory in HOLLAND. Tested by AVO VCM Tester Valve 1 Ia1 = 1.05(mA), gm1 = 1.6(mA/V) Ia2 = 1(mA), gm2 = 1.55(mA/V) Valve 2 Ia1 = 1.15(mA), gm1 = 1.6(mA/V) Ia2 = 1.1(mA), gm2 = 1.55(mA/V) NOS specification: Ia = 1.2(mA), gm = 1.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases. 20251023L045
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1x Mullard ECC83 Valve. Date Code: 641 R6L(1956). This valve has also been tested in amplifier without any noise. Tested by AVO VCM Tester.
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This is a used tube and has been tested on an AVO Mk III valve tester, where it tests strong. Plate Current: ia (mA) 1.2 1.6 1.2. Actual Readings.
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With grey ladder anode plates and a halo top ring getter, this valve boasts a 94%+ emissions A2 plate and is matched with close-matched plates. Manufactured in. FM Crystal radio FM dETECTOR RADIO. fm trf rIGONDA. vega hf receiver ShortWave transceiver tuner. Saba Breisgau Saba automatic tuner.
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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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