Bought it new around 5 years ago for my tube AMP as a backup. but the tube AMP it's been sold, never use it.
Matched Pair Vintage Mullard EC31 Pan Getter Valves Tubes Used Tested (V33) #1
Matched Pair Vintage Mullard EC31 Pan Getter Valves Tubes Used Tested (V33) #2
Vintage Mullard EF95 M8100 5654 Black Plate Square Getter Valves Matched Pair
KT66 LVE VINTAGE RETRO STYLE SELECTED MATCHED PAIR VALVE TUBE
PARTRIDGE VINTAGE 1663 VALVE AMP, OUTPUT TRANSFORMERS. MATCHED PAIR.
6P15Pev EL84 Vacuum tubes NOS USSR BOXED Matched PAIR Fully Tested UK Seller!
