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> goal is to learn more about tube circuits.You know some already, more than is shown in your sketch.Flesh it out and see where you are at.Loadlines: on triodes for gain, aim for 2X-5X Rp. But for the hi-Mu 12AX7, this will lead to values that are not flat to 20KHz (why?). You will probably do best by plagiarizing the Fender values: 100K rp and 1.5K rk. For a power stage with a low-Mu triode, aim as low as 2X Rp.The operating point along that line will suggest itself once drawn. Sorta in the middle of the possible signal swing.
> goal is to learn more about tube circuits.
You know some already, more than is shown in your sketch.
Flesh it out and see where you are at.
Loadlines: on triodes for gain, aim for 2X-5X Rp. But for the hi-Mu 12AX7, this will lead to values that are not flat to 20KHz (why?). You will probably do best by plagiarizing the Fender values: 100K rp and 1.5K rk. For a power stage with a low-Mu triode, aim as low as 2X Rp.
The operating point along that line will suggest itself once drawn. Sorta in the middle of the possible signal swing.
