Quality audio for cheap? Sounds good to me! Also, don't forget you can get one free share valued up to £200 by creating a Freetrade account at: https://freetrade.io/diyperks

Parts list:

PDF template and schematic: https://drive.google.com/drive/folders/1jQY1SycV0OChw9_9w9qhMVCW47YFHgBu?usp=sharing

Microphone capsule: https://www.jlielectronics.com/microphone-capsules/jli-2555bxz3-gp/

Shipping to the EU is expensive, so I'm working on a group buy. Check back in a few weeks' time!

Transistor US: https://ebay.us/3m3kyV

Transistor UK: https://ebay.us/KYIbZB

THAT1512 US: https://www.newark.com/search?st=that1512
THAT1512 UK: https://ebay.us/wvJUzJ

USB Audio interface: https://amzn.to/3k43hy7

USB C breakout board: https://amzn.to/3EJa0Fs

7mm brass tube Amazon: https://amzn.to/3BFJ086
7mm brass tube eBay: https://ebay.us/pZfjF7

6mm brass rod Amazon: https://amzn.to/3mEPDDr
6mm brass rod eBay: https://ebay.us/LAdYfs

3mm brass rods Amazon: https://amzn.to/3bCP9Hu
3mm brass rods eBay: https://ebay.us/32ofym

72mm 1.5mm nitrile o-rings Amazon: https://amzn.to/3q6fvtV
72mm 1.5mm nitrile o-rings eBay: https://ebay.us/y37Lmz

Brass mesh: https://amzn.to/3mG1Zet

15v +- isolator: https://ebay.us/YIIMNe
Cheaper version (but should work): https://ebay.us/Bwgafo or https://uk.rs-online.com/web/p/isolated-dc-dc-converters/2233683

For the resistors, capacitors, wire, stripboard etc: https://www.bitsbox.co.uk/


USB C info: https://www.youtube.com/watch?v=V-vFtiDYiIw


Please email any comments about the circuit here: DIYPerks at gmail.com


Audio Tests: currently recording them, check back later today