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Building a Portable 12V Sound System

Dave Ives
In a series of Designspark articles, I have outlined my creation of a stylish, great sounding, portable 12 Volt sound system. In this Project post, I give a more detailed break down of how the system was put together.

Parts list

Qty Product Part number
1 Speaker Cabinet Kit including Drivers from Wilmslow Audio
1 Tuff Cab Speaker Cabinet Paint
1 5mm Black Acrylic Sheet
2 U1. Line Input Transformer 10kΩ : 10kΩ 123-7201
2 XLR1.1 and XLR1.2. Neutrik 6 Way Panel Mount XLR Connector, Female to Female, Gold over Nickel Plated Contacts, 50 V 448-7243
2 S3. Off-On Push Button Switch, IP67, Panel Mount Red LED 022-6047
2 Binder 720 Series, 3 Pole Panel Mount Miniature Connector Socket, Male Contacts, IP67 734-5571
2 Binder 720 Series, 3 Pole Cable Mount Miniature Connector Socket, Female Contacts, IP67 734-5492
1 09-1034, Single-Sided Stripboard FR-2 160 x 100 x 1.6mm FR1 100-4328
1 Power Supply, Desk-Top, SMPSU,12V,5A,60W 018-8769
2 R1. Vishay P9A1R100FISX1103ML 1 Gang Rotary Conductive Plastic Potentiometer with a 6 mm Dia. Shaft 504-2661
4 S1 and S2. RS Pro Single Pole Double Throw (SPDT) Toggle Switch, Latching, IP67, PCB 734-6968
2 JP2. 8 Way Preci-Dip Straight Through Hole 2.54mm SIL Socket, Solder, 3A 100 V ac, 150 V dc 702-2789
2 J1 and JP1. 10 Way Preci-Dip Straight Through Hole 2.54mm SIL Socket, Solder, 3A 100 V ac, 150 V dc 702-2805
2 Phoenix Contact COMBICON MPT Series 2.54mm Pitch Straight, PCB Terminal Block, Through Hole, 2 Way 220-4260
2 U3. LDO Regulator 3.3V 1.3A TO220 686-9767
2 U4. Click Board MAX9744 Audio 2x20w 165-1405
I currently look after production at AB Open. I have a background in the arts, environmental conservation and IT support. In my spare time I do a bit of DJing and I like making things.

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