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Author Topic: Insulation for sub cabinets  (Read 132 times)

Andrew Watts

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Insulation for sub cabinets
« on: November 15, 2019, 08:06:51 am »

For those builders out there, what do you use for internal cabinet lining?
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Scott Holtzman

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Re: Insulation for sub cabinets
« Reply #1 on: November 15, 2019, 12:47:53 pm »

For those builders out there, what do you use for internal cabinet lining?

A really nice tweed this time of year.
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Scott AKA "Skyking" Holtzman
River Delta Audio is now:

Ghost Audio Visual Solutions, LLC
Cleveland OH
www.ghostav.rocks

Art Welter

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Re: Insulation for sub cabinets
« Reply #2 on: November 15, 2019, 01:51:47 pm »

For those builders out there, what do you use for internal cabinet lining?
Generally, no insulation is used for ported sub cabinets, as it reduces output level.
"Full range" ported cabinets use insulation to reduce reflected upper out of phase frequencies output from the ports.
Sealed cabinets often use polyfill, though it requires more fill than fiberglass to achieve the same results. Fiberglass has fallen out of favor for health and "itch" reasons, though if properly secured, works quite well with no shedding.

Denim and hemp are also used (and tweed  ;) ) but being organic materials, can easily support mold growth so are generally not used for cabinets subject to moisture.
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Andrew Watts

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Re: Insulation for sub cabinets
« Reply #3 on: November 15, 2019, 07:08:18 pm »

Generally, no insulation is used for ported sub cabinets, as it reduces output level.
"Full range" ported cabinets use insulation to reduce reflected upper out of phase frequencies output from the ports.
Sealed cabinets often use polyfill, though it requires more fill than fiberglass to achieve the same results. Fiberglass has fallen out of favor for health and "itch" reasons, though if properly secured, works quite well with no shedding.

Denim and hemp are also used (and tweed  ;) ) but being organic materials, can easily support mold growth so are generally not used for cabinets subject to moisture.

I had not heard that ported subs don't need insulation.  Most of the cabs I've had over the years have had some form.
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ProSoundWeb Community

Re: Insulation for sub cabinets
« Reply #3 on: November 15, 2019, 07:08:18 pm »


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