1 low noise tube) 12AZ7A RCA branded Zenith black plates “”D”” getter NOS 1966
8.0ma Gm=4600
8.8ma Gm=4700
– McIntosh MC275
$3.00 $9.99
1 low noise tube) 12AZ7A RCA branded Zenith black plates “”D”” getter NOS 1966
8.0ma Gm=4600
8.8ma Gm=4700
– McIntosh MC275
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