(!) (slightly micrphinic single) 12AT7 RCA black plates NOS D getter halo 1959 (12.2/10ma)
$ 49.99
1 tube slightly microphonic) 12AT7 RCA black plates NOS D getter halo 1959
1 section) 12.2ma Gm=6200
1 section) 10.0ma Gm=5200
Good Ma range 8-10ma
Good Gm range 4500-5500
small amount of microphonics when glass is tapped
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