HardLabs

Mic-Preamp

naufalboys·Mic-Preamp

Mic-Preamp PCB layout, top view — open source board by naufalboys

About the Mic-Preamp PCB

Mic-Preamp is an open source PCB design by naufalboys, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 48.3 × 81.3 mm, with 10 components from 10 distinct parts.

Other key parts include the NE5532. By type, the board carries 2 connectors and 1 IC.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

A simple mic preamp for interfacing a balanced microphone (3-Pin using XLR Connector) with PC Sound Card or other gear. This PCB Design is double sided. If you have any question, feel free to ask :)

Mic-Preamp, from the project README
From the project README

Main components on the Mic-Preamp

NE5532

Mic-Preamp bill of materials (BOM)

10 components, 10 distinct parts.

QtyPartRefs
1
NE5532
U1
1
Conn_01x10
J1
1
XLR3
J2
1
10K
10K
1
10uF
10uF
1
100
100
1
100nF
100nF
1
150nF
150nF
1
270
270
1
10K
VR1

Mic-Preamp design files

The KiCad project lives in the naufalboys/Mic-Preamp repository on GitHub; these links point at the commit this page was built from.

Mic-Preamp: common questions

How big is the Mic-Preamp PCB?

The Mic-Preamp measures 48.3 × 81.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mic-Preamp?

10 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mic-Preamp design files?

From the naufalboys/Mic-Preamp repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Mic-Preamp design in my own project?

Yes, under the terms of its GPL-3.0 license, which naufalboys chose for the repository.

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