| cjac 9,
I have steel strings on my bass but have also noticed it is bit more difficult to play two open E notes in quick succession, compared to the other strings. I think this is because this string takes a bit longer to bloom than the others. This may be exacerbated by the synthetics.
I tend to use the open E sparingly (the secret weapon!), so this is rarely a problem for me.
Other than playing the octave or you could decide to play the 5th or some other passing note rather than the second open E.
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