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(11)

EP 4 771 755 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24768162.0 (22) Date of filing: 29.08.2024

(51) International Patent Classification (IPC):  H03F 3/183(2006.01) H03G 3/02(2006.01) H03G 11/00(2006.01) H03G 3/00(2006.01) H03G 3/30(2006.01) H03M 1/18(2006.01) (52) Cooperative Patent Classification (CPC): H03G 11/008; H03G 3/3005; H03G 3/002; H03G 3/02; H03F 3/183; H03M 1/18 (86) International application number: PCT/GB2024/052247 (87) International publication number: WO 2025/046233 (06.03.2025 Gazette 2025/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 31.08.2023 GB 202313282 (71) Applicant: Focusrite Audio Engineering Ltd High Wycombe, Buckinghamshire HP12 4HJ (GB)	(72) Inventors: SOFIANOS, Efstratios Wycombe Buckinghamshire HP12 4HJ (GB) ELMES, Stefan Wycombe Buckinghamshire HP12 4HJ (GB) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)