4. Acoustics
  5. Diaphragm and enclosure
  6. Reflex baffle

Erik Thorsell

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Speaker unit for low frequency reproduction

Acoustics – Diaphragm and enclosure – Reflex baffle
Reexamination Certificate

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Speaker unit for low frequency reproduction

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2882105

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