30 GE 6SN7GT tubes test good tube amplifier 6SN7GTA 6SN7GTB
- vintage-electric (1629)
- 100% positive feedback
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About this item
- Item Number
- 142247025230
- Type
- Preamp Tubes
- Brand
- GE
- Model
- 6SN7
- Country/Region of Manufacture
- United States