Re: Compare and contrast 6L6s and EL34s......
I agree with what STRATDELUXER97 posted above.
If i may add.. 6L6s are usually richer with Lows/Lowmids type tone. so with overdrive, your getting a pretty nice chug.
EL34s are richer in the mids/high mids and like STRATDELUXER97, they tend to overdrive/breakup faster then 6L6s, which gives the tone a bit more of a "fatter" tone.
The only thing is EL34s lack in the lowend and the lowend on them isnt anywhere near as tight as it is on the 6L6s. So, the solution for that is the E34Ls tube (made by JJ tubes). It has a very similar tonal characteristics to "standard" EL34 but these ones have more lowend, its much much tighter and the overall tone is a bit more aggressive. They work excellent for both highgain and cleans.
hope that helps!