Anyway, to achieve overdrive/distortion purely from tube, you need at least 3 to 4 stages to achieve that. Most design is just using the tube as first stage to drive solid state op-amp clipping circuits.
The only decent one i can find now is the tube driver schematics but they are still noisy.Yeah it runs on a JRC and a 12ax.
The only decent one i can find now is the tube driver schematics but they are still noisy.Yeah it runs on a JRC and a 12ax.