GoodSoundClub - Romy the Cat's Audio Site

In the Forum: Horn-Loaded Speakers
In the Thread: Macondo’s Midbass Project – the grown up time.

Post Subject: I will see it myself during the winter…Posted by Romy the Cat on: 9/21/2010

Bill wrote:
A thought. Why not super-insulate the top of the attic against the roof with 20-30 inches of fiberglass insulation or 12 inches of foam and leave the space around the mouths of the horns open to allow circulation of air around the horns. Would probably cut your energy bill and at the same time keep the drivers at room temperature. Othwerwise they'll be very cold in the winter and hot in the summer.

I did consider it in past – to put a wall between the section of the attic where is the horns to keep it more or less thermo-controlled. My carpenter came with a idea (that I like) to marks it not a "wall" but curtain from a think fabric. The insulation in the house is made with “cold attic”. The roof of the house (where is not cathedral roof) has no insulation and the insulation is located between the attic and ceiling. The listening room and kitchen that have cathedral roof have standard cathedral insulation. I did not live in this house on winter and I do not know how it will behave. I am doing next week the multi-zoning for heating and some other measures that shall take care about thermo-efficiency of the house. I think I will live my first winder with this house to see what need to be done and how the horn will impact anything thermal. I do not have an experience now to predict how it will behave. I did consult with a few people but I am not convinced with their judgment. Furthermore two weeks back, when the horns were installed and all my insulation was exposed I have the hose thermo-audited. I was not impressed as they pretty much did not say what I did not know. I think on winter I will be able to see myself how my insulation perfume and how horns behave from thermal perspective.

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