January 23, 2013

HE2 dispersion

HE2 has now been measured for dispersion:

The woofer has fairly wide dispersion which then narrows above 1k. The waveguide and compression driver combination narrow their pattern gradually towards higher frequencies. A robust compression driver which can run below 1k has been chosen, to allow freedom with the crossover. This makes the smooth handover shown here possible. Some beaming is shown around 15k, meaning there will be some loss of high frequencies radiated to the room. This is not a big issue.

Overall, this is a good result.

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