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In Reply to: RE: Sure - that's the point of putting a HP filter on the input of the amp driving the LRSs - but ... ... posted by ABliss on February 08, 2021 at 19:05:09
I see they offer, say, a 70Hz HP attenuator ... but isn't the amplifier's input impedance (Zin) relevant to the component values in the HP filter?
Or do you supply your amp's Zin to Harrison Labs and they then send you the appropriate FMOD for the specified Zin?
Andy
Follow Ups:
In the Fmod's the components are scaled to low impedance values so the attached load resistance does not alter their operation, much.
As long as the source is low output impedance and the load is equal to a greater than a nominal input resistance, they will work as advertised.
The low-pass ones have an insertion loss though, which needs to be understood.
Dave.
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