Projects > 51x Gyraf G9 Tube Preamp
GroupDIY member Gemini86 has adapted Gyraf’s highly-regarded G9 tube preamp to the 51x Alliance format.
Images:
Features:
- Input transformer options:
- Cinemag CM-75101APC
- Lundahl LL1528
- Ed Anderson EA2622
- OEP A262A3E
- Output transformer options:
- Lundahl LL5402
- OEP
- High-pass filter 50Hz/150Hz
- Phase switch
Price: $18 for PCB
More info:
- Order via the GroupDIY thread
Category: 500/51xTube Preamp