Which has richer tonality, the Holland e188cc or the USA 7308?

Heerlen Holland e188cc or Hicksville USA 7308... which has the richer tonality?  Which has the richer tonality... D-getter or O-getter?
Still in search of the perfect tube?

I like the liquid midrange on the Holland. I think it comes down to your taste in sonics.

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lowrider57... Yes. Still looking for the iteration that's a marriage between the flavors I cited here, not that I'm unhappy with either. Far from it. Besides, tube rolling is a pleasant pastime during the lockdown here in Seattle.