Should I upgrade my adcom 750 w/black gate caps


Has anyone heard or have owned a modded adcom 750 w/black gate caps upgrade. Is it worth the money. And how does the mod sound after a few weeks of break in compared with a regular adcom 750. Also looking in to upgrading my amp with a Parasound Halo A21. Has anyone heard this combo? Any thoughts? Any info would be great.
mario620

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