Dave Fagan's music room building in progress

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First some shots of my "music room" before and after it was built. The music room is 4 metres wide by 10 metres long.

The first shot is the first time I saw the "music room" when we viewed the a house we eventually bought. This part of the "house" was a free standing building, still an empty shell but plumbed with gas, electric, water and sewerage. It was originally built to be a retirement home.

I used the "upstairs" for my music and downstairs for my cars.

The photographs show the construction - based on stuff I researched whilst studying acoustics at University. My plan was to exploit the sloping roofs to achieve the right sound balance.

The floor is standard thick floorboards on top of 4 heavy RSJ beams. On top of the floorboards are large, thick plywood squares - and on top of the plywood is thick carpet with thick rubber underlay. The aim of the carpet is to reduce floor to ceiling standing waves and to reduce any early reflections of sound from the speakers at the listening position.

The side walls are thin acoustically transparent panels covered in thick carpet (again with thick underlay). The objective is to stop early

reflections from the side walls - by absorbing high frequencies and allowing mid and high frequencies through and then deflecting them down into thegarage (sounds like a mega disco down there). To all intent and purposes

the side walls do not exist.

The wall behind the speakers is also covered with carpet and underlay up to a height of 1 metre. This is to reduce standing waves along the length of the room. The other end of the room is "live" but the sound is diffused through the banister rail for the stairs.

The ceiling was covered with 20cms thick insulation (sound and heat). The window is sealed - the room being air-conditioned. Although I'm using a heat pump that can warm or cool the room, I normally use normal central heating during the winter to stop the room getting too dry.

The room was really designed to be an optimum environment for QUAD ESLs but works really well for all speakers that need a lot of space around them.

All cables run under the floor - with suitable access points in the floor. Power for the audio, computers, lights, air-co is all on separate groups.

Earthing is via four 11 metre brass rods in the ground outside. The room is wired for cable, satellite, Internet, and standard external FM aerial on a rotator.

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