I have my backer boxes made out of 1/2 " MDF, 14'x10"x5 3/4" for some in-ceiling speakers. What type of acoustic insulation or batt should I use? I'm thinking about using Roxul or JM, anybody have any other suggestions, besides using Green Glue. Don't have access to this product.
Speaker Enclosure Insulation
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R12 fiberglass insulation should do the trick.
Don't use fiberglass, find polyester fiberfill, it should be available at fabric stores I think it's used to fill pillows or cushion furniture.
Good idea 'fricfrac'... much nicer to work with.
Fibreglass
Why not fiberglass? What about a product like JM, which is formaldehyde free, How much should be used?Where?Back? Side(s)?
Why not fiberglass? What about a product like JM, which is formaldehyde free, How much should be used?Where?Back? Side(s)?
Will you be setting your receiver speaker setting to Small for your ceiling speakers ?
I assume that the measurement of 5 3/4" is the depth of the enclosure ?
Usually all inside surfaces except the baffle are covered with insulation, but due the shallow dept of the enclosures you've made, I'd think 3 1/2" (R12) on the back panel would suffice.
I assume that the measurement of 5 3/4" is the depth of the enclosure ?
Usually all inside surfaces except the baffle are covered with insulation, but due the shallow dept of the enclosures you've made, I'd think 3 1/2" (R12) on the back panel would suffice.
Speakercraft
Thinking about purchasing Speakercraft Aim7 2's for in-ceiling speakers. Spoke to Speakercraft Tech who said their speaker enclosures where those measurements. Including the drywall will give me a depth of 6 3/4 ". 5 3/4" depth + 1/2' flange on top and 1/2" drywall sealed with Acousti-seal and then fastened to drywall with screws. Have a Yamaha Htr-6190 as my receiver, it's been in storage for 8 months, will have to check the settings.
Thinking about purchasing Speakercraft Aim7 2's for in-ceiling speakers. Spoke to Speakercraft Tech who said their speaker enclosures where those measurements. Including the drywall will give me a depth of 6 3/4 ". 5 3/4" depth + 1/2' flange on top and 1/2" drywall sealed with Acousti-seal and then fastened to drywall with screws. Have a Yamaha Htr-6190 as my receiver, it's been in storage for 8 months, will have to check the settings.
Check and see what they advise for insulation.
Speakercraft Response
Here's the reply I got, " In our own backboxes we install fiberglass insulation, however any dense sound absorbing material will work. Let me know if you have any other questions."
Here's the reply I got, " In our own backboxes we install fiberglass insulation, however any dense sound absorbing material will work. Let me know if you have any other questions."
I've built speakers in the past, and using fiberglass insulation works just fine.
Fiberglass works but I wouldn't use it in ported enclosures. I've done so in the past but health and safety standards are a lot tighter now.
There' a product that is made by JM, that is formaldehyde-free that I have. Should I just put the insulation all around or just on the bottom(top when installed)?
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