April 2020,

 

I decided to publish the BMS 4526 on its own page even if some measurement are published as comparison elsewhere on this site.

 

Measurement are taken at 40 centimetres from the front of the horn (4x the distance of the horn diameter, so it is considered far field)

Horn is a Custom 0.63" throat, 2000 Hz Fc,  Jean Michel Le Cleac'h.

Measurement are gated at 3ms.

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I had this horn built with the intend of using a crossover point of 3000 Hz. (I know BMS allow a 1200 Hz crossover point but they are just crazy!!!)

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Picture of the horn and measurement setup.