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RE: Interaction with a class D amplifier?

Switching amplifiers are an interesting case because there's already an output filter employed.

However, I would suggest a choke tweak would be even less advised because when those amplifiers become unloaded at high frequencies the LC output becomes a fairly effective resonant circuit without a load resistance shunting the capacitor. It's hard to say how well amplifiers will tolerate that load inconsistency without objective testing. I suspect most would be fine.

My point with this recommendation is that the RC shunt accomplishes the objective with no downside, but the series L has a potential downside. A series inductor unloading an amplifier might not be a problem, but it's unknown without some testing.

No, you can't insert the RC network in the tweeter attenuator spot. That's a series connection input spot.

I think some of the posters have actually lost sight of what the original objective of the "choke tweak" was. It might be good for those folks to review.

Cheers,

Dave.

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