120 Minutes Open Baffle.

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Micron

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Someone I know threw out two office furniture cupboards of the same size. I decided that I would use them to test some of the transducers that I have in an open baffle configuration. Perhaps not sonically optimised to the nth degree, but it does enable me to get a listening impression with little time and effort expenditure. Have I made an idol of expedience.

I decided that the Visaton B200 should be first in line. Partly because they haven't been used yet and being 8" are the smallest drivers that I have. I will try other elements in these cabinets too, increasing the transducer size with each iteration. We may well make it up to 15". This first iteration took about 120 minutes from starting to listening.

The two large cabinets.
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The, arguably not unmoved, movers.
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Do not let the engineering proclivities of Steerpike's posts fool you.
He too can confuse radius with diameter. This is the reason for the significantly larger circle seen below.

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The second set of circles were drawn without first mistaking radius for diameter. Nothing short of a miracle.
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The test to see if the drawn circles are the right sizes.
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The cutting edge.
A 6mm countersink is required for flush mounting, but it was accidentally made 8mm deep.

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Test fit and marking of screw holes.
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http://Not pretty, but then that wasn't a parameter optimised for.
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Karel kat se stert.
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A photo as flippant as the loudspeakers are zany.
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