Posted on Leave a comment

Aurora Jupiter Guitar Preamp Build Log: Part II

Jupiter 12ax7/6n2p wiring

This second installation of the Aurora Jupiter Preamp build log is just a brief one! The main part is that the filament wiring has been done. It is much easier to remove the bracket from the chassis to do this. I opted to experiment a little this time and used a Dpdt switch to be…

Read more

Posted on Leave a comment

Aurora Jupiter Guitar Preamp Build Log: Part I

Jupiter Prea Build Log Front 1

This is something that I have been meaning to get around to doing for a while as this board is the replacement for the original Single Channel valve preamp PCB. Not only that this is testing the Rack Preamp Chassis fit. I had a day off work today so I got cracking on this. So…

Read more

Posted on Leave a comment

Coming soon. SMPS for preamps & New Aurora PCB

UHGPRE

Just a brief update on a few store additions. First up we have a new Aurora PCB. This one is probably not going to stick around for long due to the nature of it. It is based on Merlin Blencowe’s Ultra High Gain Preamp from his Designing Tube Preamps for Guitar and Bass Book. It…

Read more

Posted on Leave a comment

Aurora Audio Rack Project Enclosures Available Soon

Rack Enclosure Slideshow

In the coming months these will be available to order with a short wait time as they will be ordered and shipped as required. The finish is brushed black anodised aluminium with laser etched graphics. Initially these will be available for the soon to be released Jupiter Preamp PCB but are also suitable for use…

Read more

Posted on Leave a comment

Aurora Guitar Power Amp PCB Now Available!

Aurora Audio 20w 6V6/6P6S Power Amp PCB

This one took a little bit longer than I was hoping to get tested but the Aurora Power amp DIY PCB is now available to purchase. Quantities are limited as this is just left over stock from the prototyping but more will be coming soon. This board can be used to build a push pull…

Read more

Posted on Leave a comment

New Aurora PCB’s, A name change and a sale!

Saturn Amp PCB Preview

First of all the name and URL of this site will be changing slightly to Aurora Amps in the coming weeks. The new URL will be confirmed soon. Otherwise it has been a busy start to the year at Aurora. Countless hours have been put into designing, tweaking and testing new and revised designs. In…

Read more

Posted on Leave a comment

A peek at new PCBs from Aurora-Audio in 2022

Aurora Audio 20w 6V6/6P6S Power Amp PCB

At Aurora Audio we have many new DIY Project PCBs coming in 2022. Here is a preview of what is currently being tested and will be available over the coming months. Push pull mono valve /tube guitar power amp. We designed this board to build a power amp at 20w using 2x6v6 but it is…

Read more

Posted on Leave a comment

DIY 12AX7 to 6N2P-EV converter

Aurora Audio 12ax7 to 6n2p converter

For the last 12 months or so I have moved to using russian 6n2p-ev valves due to stock issues and price hikes. To use these valves in normal amps you either have to rewire the filament/heater supply or as I have done here make some converters. It’s an extremely easy project that will only take…

Read more