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PCE
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CPC Subgroup
H04R 1/30

Combinations of transducers with horns, e.g. with mechanical matching means (horns in general G10K; )

Full Title

Details of transducers, > Arrangements for obtaining desired frequency or directional characteristics (for stereophonic purpose H04R5/00) > for obtaining desired frequency characteristic only > Combinations of transducers with horns, e.g. with mechanical matching means (horns in general G10K; )