Harbeth SHL 5 amplification

In reviewing the Harbeth website there seems to be a strong bias towards high power solid state amplification. When I heard the SHL 5 on demo it was with the smallest Rogers Fidelity amplifier and for the most part it worked.  I run a Leben CS600  -with a modest 32 watts per channel and wonder if this will suffice to run a pair of SHL5's.  After reading the Harbeth user group's opinions, it seems it might be risky; though there does seem to be a tremendous under appreciation for the virtues on tube amplification on the Harbeth website.
Any thoughts?
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I owned these speakers and while they sound OK with tubes, they really need power and current.