Substitute for Sonofil in Alpair5 TL - diyAudio
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Old 7th April 2009, 05:35 PM   #1
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Default Substitute for Sonofil in Alpair5 TL

I'm building the small MarkAudio Alpair5 TL that Henkjan designed and have run into a question. I have no Sonofil. I do have a poly fill from Madisound. Henkjan specifies, what I assume is mass of 1/16, 9/16, 3/16,etc....on his plan. Can anyone tell me how this would translate for standard poly fill? I have not used Sonofil and therefore have not idea if it is used in the same mass as this material from Madisound.

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Old 7th April 2009, 08:29 PM   #2
Henkjan is offline Henkjan  Netherlands
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Sonofil is a type of polyester stuffing, the white stuff, it sort of looks like Accousta stuf, but then in sheets. you can also use wool if you prefer.

the fractions refer to a part of 1 sheet Sonofil; 1 sheet is about 50-55 gram (just below 2 ounce in us units), 1 sheet per box (not a coincidence ). some 10% difference is no problem. I cut 1 sheet into 16 pieces, so i could easily distribute the right amount of stuffing in the box, that's where the 1/16, 9/16 etc comes from.
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Old 8th April 2009, 12:03 AM   #3
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Thanks, Henkjan! I'm really looking forward to finishing this speaker up.
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