The best thing to do would be to try it in your system. Your ears will be the best judge. However, a voltage regulator, choke or otherwise, will only keep your voltage at a constant level. It does nothing to filter out noise and the crap that comes in on the AC. The BPT lowers the noise level of the AC feeding your components. Its design cancels out the noise. So my best guess is that you will hear a significance difference because of the lower noise floor---ie, more definition, more articulation of the notes, soundstaging will improve, etc. Liken it to a gas filter on an automobile vs cruise control (regulator) that keeps you going at the same speed. Cleaner gas will allow the engine to perform at a higher level.
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