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Gridfinity horn FT991A
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For most ham radios, the built-in speaker is located on top. To get better sound, many people use an external speaker, but there is another option. By redirecting the sound, you can stack other items on top of the transceiver and save space.This multi-version horn, equipped with magnets and based on the Gridfinity grid layout, can be stacked with other Gridfinity plates or holders. Version one does not change the frequency response of the original speaker, while the other versions boost the gain of speech frequencies, which is better suited for older people.I've glued a tin plate on top of mine, which allows me to use the top surface to stack more magnetic Gridfinity modules, such as the NUC plate (see picture). I hope this design helps radio operators reduce clutter and compact their ham radio setup.
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