(!!!!) (Single) 12AT7=ECC81 Mullard UK used/tests like new 1968 (10.2/12.2ma) Title: 12AT7=ECC81 Mullard

1 low noise tube) 12AT7=ECC81 Mullard UK used/tests like new 1968

10.2ma Gm=4300

12.2ma Gm=5600

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