1 low noise tube) 6SN7GTA GE NOS “”U”” getter halo – copper grid posts – 1952
9.3ma Gm=2700
11ma Gm=3000
Good Ma range 7-10ma
Good Gm range 2300-2600
– very good detail, inner resolution and air
– a good balance between detail (Sylvania) and warmth (RCA)
- Atma-sphere UV-1 Preamp


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