I’ve had a fair few questions about how each of the Aurora Audio preamps sound. If you’ve been looking around the store you will have noticed clips popping up on some of the PCB pages. Here’s all of them in one place. I will be adding clips for the Saturn Amp set as well as …
Aurora Audio Preamp PCB Soundclips And An Exciting DIYfever Collaboration! Read More »
Since the small run I did of these boards ran out I have received a fair few questions asking if/when they would be back in stock. Originally I didn’t intend to do any more of these boards due to it being Merlin’s own design. However I reached out to Merlin and he said it was …
An update regarding Merlin Blencowe’s Ultra High Gain Preamp PCB Read More »
This post will cover the 12ax7 to 6n2p toggle switch wiring that I used recently in the Aurora Jupiter Preamp. Firstly lets cover the key difference between the two valve types. Typical 12ax7 valves wired for 6.3v AC heaters use pins 4&5 linked together for one side of the filament winding and pin 9 for …
This one took a little longer than I wanted but hey life gets in the way! A very small final step in the completion of the Jupiter preamp. The DI (dry) guitar output. Essentially what is happening is the input of the DI board is tapped directly from the input jack as can be seen …
Aurora Jupiter Guitar Preamp Build Log: Part V: The final frontier! Read More »
Just a quick update following on from the Jupiter preamp build logs. The Jupiter Preamp PCB is now available to purchase this is based on the lead channel of the legendary SLO and demos will be following shortly. This Saturn PCB Set is to build a 2ch full amp version of the above. This one …
This instalment of the Aurora Jupiter preamp is a little less exciting than I planned as there isn’t really much new to see as the GEQ daughterboard covers up the focal point and the boost board I etched myself to try out the circuit. Onto the boost. This is a slightly modded zw44 to have …
