Paying close attention to these current ratings at LF/HF is how you meter the impact (or temperament) of your frequency response emphasis at both extremes within an amplifier or receiver. This is not say that not paying attention to it or always choosing the highest current ratings at all times equates to some sort of failure in the resulting sound. Not at all. For me at least, it just means I can make cap selection decisions that make it more listenable at higher volumes (mostly). How high of a volume do you enjoy listening to? For most people, a normal listening volume is fine in which case choosing the highest ripple current you can find may actually provide some benefit, as more current at lower volumes has a way of "filling out" the sound a bit more- making it more satisfying to hear and enjoyable to listen to. It's just an observation I've made and one I think everyone can benefit from in their next recap. Just like cables or other equipment we use which has a distinct tonality or frequency response curve to its sound, internal component selection also acts like an EQ for system sound (to some extent). For instance, if you have an amp that is inherently weak/ strong in bass or weak/ strong in treble, use these ratings to fine tune the LF/HF emphasis of your equipment to make it a bit closer to what you expect it to sound like or want to hear.
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