公开(公告)号：US20230022296A1

公开(公告)日：2023-01-26

申请号：US17872729

申请日：2022-07-25

Applicant: ELDORA PRODUCTIONS

Inventor： Guillaume Chauvet

IPC: H03F3/183 ,  H04R3/04 ,  H03G3/30

Abstract: An audio preamplifier (1) for a microphone, including: a chassis (2) with at least one audio input (17) and at least one audio output, a control panel (3) including a gain selector (10) being arranged on one of the sides of the chassis (2), the chassis (2) further including a receiving compartment inside which a first connector is arranged; and a cartridge (6) comprising a preamplification circuit and a gain control circuit, the cartridge (6) further having a second connector complementary to the first connector, the cartridge (6) being configured for being inserted in a removable manner into the receiving compartment of the chassis (2) so as to connect the first and second connectors. An audio preamplification kit includes an audio preamplifier (1) and a plurality of additional cartridges.

公开(公告)号：US12057815B2

公开(公告)日：2024-08-06

申请号：US17872729

申请日：2022-07-25

Applicant: ELDORA PRODUCTIONS

Inventor： Guillaume Chauvet

IPC: H03F3/183 ,  H03G3/30 ,  H04R3/04

CPC classification number: H03F3/183 ,  H03G3/3005 ,  H04R3/04 ,  H03F2200/03 ,  H03G2201/103 ,  H04R2420/09 ,  H04R2430/01

Abstract: An audio preamplifier (1) for a microphone, including: a chassis (2) with at least one audio input (17) and at least one audio output, a control panel (3) including a gain selector (10) being arranged on one of the sides of the chassis (2), the chassis (2) further including a receiving compartment inside which a first connector is arranged; and a cartridge (6) comprising a preamplification circuit and a gain control circuit, the cartridge (6) further having a second connector complementary to the first connector, the cartridge (6) being configured for being inserted in a removable manner into the receiving compartment of the chassis (2) so as to connect the first and second connectors. An audio preamplification kit includes an audio preamplifier (1) and a plurality of additional cartridges.