Speaker Protection Systems

2015-2020
StatusSupporting project
Circuit familyProtection / switching
Photographs23 full-size gallery images
Downloads16 local design and reference files

Project Notes

DC detection, delayed connection and solid-state speaker switching developed alongside the amplifiers. Schematics, PCB layouts, device data and built boards are collected here.

Photo Gallery

DSCN0762
1. DSCN0762 		DSCN0767
2. DSCN0767 		DSCN0761
3. DSCN0761 		DSCN0763
4. DSCN0763
DSCN0764
5. DSCN0764 		DSCN0768
6. DSCN0768 		DSCN0769
7. DSCN0769 		DSCN0770
8. DSCN0770
final board
9. final board 		dc prot board
10. dc prot board 		speakers prot dc 12v mine
11. speakers prot dc 12v mine 		DSCN0765
12. DSCN0765
dc prot czech board
13. dc prot czech board 		Songledropin1
14. Songledropin1 		dc prot tgm5
15. dc prot tgm5 		TLP3914 Turn Off
16. TLP3914 Turn Off
mooly protect Switch On
17. mooly protect Switch On 		SSR
18. SSR 		dcProtect
19. dcProtect 		Elvee speaker prot ASPv2
20. Elvee speaker prot ASPv2
uPC1237 current sense circuit protection
21. uPC1237 current sense circuit protection 		PTG 1
22. PTG 1 		Startup and DC protection
23. Startup and DC protection 		 

Design Files and Documents

Documents and notes

FileSize
1237 datasheet.pdf 1.4 MB
ASSR-V621-and-ASSR-V622-Dual-Channel-Photovoltaic-MOSFET-Driver-65V15μA.pdf 93 KB
dc_protect_mosfet.txt 4 KB
DipTrace Schematic - DC Detect 3.2.pdf 30 KB
DIYfan_ Speaker protection with uPC1237.pdf 1.2 MB
fast_switching for dc prot_PSMN009-100W.pdf 93 KB
Infineon-IPP_I_110N20N3G_IPB107N20N3G-DS-v02_03-en-1.pdf 690 KB
intern.txt 785 bytes
mauser_d_prot.pdf 39 KB
speaker protect Schematic Nov19.pdf 45 KB
TGM5_dcProtect_v2_AS BUILT.pdf 21 KB
TK72A12N1_datasheet_en_20140214.pdf 233 KB
TLP3906_datasheet_en_20170414-771380.pdf 477 KB
TLP591B_datasheet_en_20140901-739125.pdf 188 KB
UPC1237.pdf 196 KB
vom1271t.pdf 126 KB
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