I'm thinking of building a HF amp using something with either a Russian 4cx400 or 4cx800 equivalent. But I'm not sure on the best way to do a tuned input. Any suggestions or good links I should read up on?
I'm thinking of building a HF amp using something with either a Russian 4cx400 or 4cx800 equivalent. But I'm not sure on the best way to do a tuned input. Any suggestions or good links I should read up on?