Speaker Start Delay/Soft Start

1 year ago

Profile:Speaker Start Delay with Relays

Open source license: GPL 3.0

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Description

Speaker Start Delay circuit to prevent loud turn on thumps from amplifiers.

Video of project: https://youtu.be/oUH6x4hy9Ck

Blog: https://ratti3.blogspot.co.uk

Files: https://github.com/Ratti3/Speaker-Start-Delay

Documents

Speaker Start Delay

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Speaker Start Delay - Rear

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Speaker Start Delay

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BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 KF301 5.0 6P AMP/SPEAKER CONN-TH_6P-P5.00_PA001-6P 1 PA001-6P HIWA LCSC C173288
2 ZMM24 ZD2,ZD1 LL-34_L3.5-W1.5-RD 2 ZMM24 SEMTECH LCSC C8074
3 FINDER 40.61.7.012.0000 RELAY.LEFT,RELAY.RIGHT FINDER-40.61 2 182-9781 Finder RS-Online 40.61.7.012.0000
4 1N4002W D3,D2 SOD-123F_L2.8-W1.8-LS3.7-RD 2 1N4002W Jingdao LCSC C169542
5 XH-2A 24V CONN-TH_2P-P2.50_XH-2A 1 XH-2A red RHOS BOOMELE LCSC C24192
6 10K R8,R7,R2 R1206 3 RC1206FR-0710KL YAGEO LCSC C132649
7 91K R4 R1206 1 RC1206JR-0791KL YAGEO LCSC C137108
8 BC546BTA Q2,Q1 TO-92-3_L4.9-W3.7-P2.54-L 2 BC546BTA ON Semicon LCSC C258143
9 18K R6,R5 R1206 2 RC1206FR-0718KL YAGEO LCSC C137379
10 PH-2AK ACTIVE,PLED CONN-TH_PH-2A 2 PH-2AK BOOMELE LCSC C8886
11 MPSA92-AT/P Q3 TO-92-3_L4.8-W3.7-P2.54-L 1 MPSA92-AT/P KEC LCSC C112896
12 33uF C1 CAP-TH_BD8.0-P3.50-D1.0-FD 1 PLV1H330MCL1 Nichicon RS-Online 739-5396
13 XH-2A SWITCH CONN-TH_2P-P2.50_XH-2A 1 xh-2ayellow BOOMELE LCSC C57141
14 MSK-12D19 NO MSK-12D19 1 K3-1260D-F1 Korean Hroparts Elec LCSC C223843
15 100K R3,R1 R1206 2 RC1206FR-07100KL YAGEO LCSC C137393
16 1N4148W-7-F D1 SOD-123_L2.8-W1.8-LS3.7-RD 1 1N4148W-7-F DIODES LCSC C83528

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