Hill Spring Technology

Welcome to the offical Hill Spring Technology website

Hill Spring Technology is a small business based in North Wales, UK, specialising in DIY Electronic PCBs and Kits for the hobbyist/maker scene.
Established in spring 2026, we now have two products on sale, with much more coming soon.

Introducing the "The Rat Slayer" PCB based Guitar and Bass Wiring Harness Systems. Slay the rats nest of wiring in your control cavity!

• Genuine CTS 250K pots and Switchcraft jack socket
• Cornell Dubliner 'Orange Drop' 47nF (0.047uF) capacitor
• Stops potentiometers and jack sockets coming loose and spinning in their holes
• Ground plane built into PCB to improve electromagnetic shielding
• No soldering iron? No worries: The Rat Slayer has both solder pads and solderless terminals
• Currently available for the Fender Jazz Bass, with versions for more basses and guitars coming along soon

To purchase, please visit our Etsy shop HERE

Also available is the HST-CAA001. This is a PCB designed to allow the DIY audio enthusiast to build a high quality, modern take on John Laurence Linsley-Hood's classic Hi-Fi Class A Amplifier design:



More details here.

To purchase, please visit our Etsy shop HERE

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More DIY Electronic PCBs and Kits Coming Soon, including:

More Amplifiers
Preamps
DACs

And more Guitar and Bass Wiring Kits and Modules:

Pre-soldered wiring kits
More "The Rat Slayer" no-solder PCB based wiring harnesses for other guitars and basses
Pots, Caps, Switches and other spares
Pickups

Watch This Space!

©2026 Hill Spring Technology
Hill Spring Technology is a trading name of W.E.B. Fox