Gyraf G9 Tube Preamp

Projects > Gyraf G9 Tube Preamp

The G9 is a two-channel, discrete, transformer-balanced, tube preamp based on the Gyratek IX.  Gyraf’s website offers free schematics, instructions and PCB layouts.

Images courtesy of Gyraf Audio

Notable Features:

  • High-pass filter with “High” and “Low” settings
  • Output trim pot
  • Switchable line/DI input
  • Solid-state power supply

Price:

  • 20€ for PCB

More information:

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