SSEGRUB Posted September 11, 2022 Posted September 11, 2022 (edited) Mullard M8137 12AX7 British Military Pair of New Old Stock New in Box Vintage valves Rich warm holographic sounding British Valves Big box anode plates Black pin guards Made in the Mullard Mitchum factory Great Britain Test 100% strong on my B&K 747 tube tester Please Note: The asking price is meant to be in AUD not SGD Edited September 12, 2022 by SSEGRUB 1
AlurkA Posted September 12, 2022 Posted September 12, 2022 Bought a magic CV378 off @SSEGRUB , knows his tubes. Buy with confidence.
xlr8or Posted September 12, 2022 Posted September 12, 2022 10 hours ago, crankit said: Are there any date codes? I can see 641 R6J4 eteched on the tube on the left. Presumably the one on the right has the same manufacturing code. Mullard Mitcham box plates made in the 4th week of October 1966. 3 1
SSEGRUB Posted September 12, 2022 Author Posted September 12, 2022 Hello, Well spotted and the Mullard Mitcham date codes etched onto the glass of the tubes are 641 R6J4 and 641 R6J3 . Best Regards Paul 2
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