Gyraf G9 tube preamp in 500 series format

GroupDIY member Gemini86 has adapted Gyraf’s highly-regarded G9 tube preamp to the 51x Alliance format.

Features:

Input transformer options:
    Cinemag CM-75101APC
    Lundahl LL1528
    Ed Anderson EA2622
    OEP A262A3E
Output transformer options:
    Lundahl LL5402
    OEP
High-pass filter

http://groupdiy.com/index.php?topic=51020.0

No info about availability.