I agree with Mattybumpkin,
Try swapping the tubes with better quality NOS or good used tubes.
Don't be afraid of used tubes. Preamp tubes usually last a long time. Quality used tubes are available at reasonable prices.
Used power tubes are a different story.
Just my $.02.
Hope this helps, Rick.
Try swapping the tubes with better quality NOS or good used tubes.
Don't be afraid of used tubes. Preamp tubes usually last a long time. Quality used tubes are available at reasonable prices.
Used power tubes are a different story.
Just my $.02.
Hope this helps, Rick.