(1) JAN Sylvania 6SN7WGTA and (2) Raytheon Japan 6SN7GTB pre-amp tubes. All are NOS/NIB tested on a cal'd Hickok 539C. Min value: 1640 umhos.(1) 1964 Sylvania Offset black T-plates. Brown miconal base.
T1: 2900 @ 7.00ma
T2: 2850 @ 6.86ma $35.00 (1) Raytheon Japan. Long, flat grey-plate, thick copper grid rods. Black base.
T1: 2800 @ 7.74ma
T2: 2600 @ 6.90ma $25.00 (2) Ray Japan. (same prop as above)
T1: 2800 @ 7.87ma
T2: 2600 @ 6.90ma $25.00
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