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Old 24th December 2019, 02:51 AM   #1
alanhuth is offline alanhuth  United States
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Default How much stuffing in FH-XL?

Stephan Whatcott of KJF Audio recommends 175 grams of stuffing for the XL (each speaker) separated equally between the “point” and the driver chamber, whereas Dave recommends, I believe, 30 grams in the point and 40 in the main line. What to make of this? Seems like a huge difference.
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Old 24th December 2019, 03:06 PM   #2
orangeart is offline orangeart  United Kingdom
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Dave is right. However I found more damping worked better in almost all the rooms I use.

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Old 24th December 2019, 06:28 PM   #3
planet10 is offline planet10  Canada
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How much stuffing in FH-XL?
There is a suggested starting point. But the amount will depend on the driver, your room, room placement and your taste. Amounts suggested were based on an extrapolation from the FH3.

Do not overload the point. Then below the driver, more stuffing means less bass, less ripple. Less damping, more of both. So if you have them pushed into a corner you will likely need more, out more into the room, less. Small room, probably need more. And then there is the question of whether you like the bass emphasized — many do.

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Old 26th December 2019, 01:58 AM   #4
alanhuth is offline alanhuth  United States
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Well, that was nice. The two experts in question both responded. Thank you. I had some extra stuffing left over from my TriTrix and I stuck that in to start, probably about 120 grams per speaker. Haven’t played them yet, but Dave’s admonition not to stuff the point too much has me a little worried.
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Old 27th December 2019, 07:02 AM   #5
orangeart is offline orangeart  United Kingdom
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I'm no expert, specialist is as much ground as I am willing to give there
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