On an earlier post, I mentioned I was working on a new preamp kit. (See here) On that post, I temporarily used a vintage St. Ives Input Transformer for my prototype since I ran out of my Carnhill Input transformers. Now, I’m going to replace that St. Ives …
Our stock SK-1DI Mic Preamp uses a potentiometer for the gain control. It’s simple, it works, you turn the pot and you control the gain. But some users may prefer a stepped switch instead of a potentiometer, so they can precisely control the gain. It also makes “recall” easier as …
I’ve been trying to optimize performance of my new upcoming Mic Preamp Kit, the NK-72DI. It’s hooked up on my workbench to various probes and meters, and displays. I want to make sure that performance of this new Mic Preamp will be top-notch, and something my customers will be proud …
Hello folks! I’m currently working and testing a new mic preamp kit as successor to our SK-1DI 500 Series Mic Preamp Kit. I’m calling it our NK-72DI. This new mic preamp will feature Carnhill transformers, imported from the UK – the same kind of transformers used in Neve preamps and …
An opamp doesn’t know where the “Ground” is, so one can normally operate an opamp from a dual power supply (i.e. also called split power supply, dual power supply with +/-V supply voltages) or from single-supply voltages (V+ & Gnd). As long as you don’t exceed the Maximum Ratings specified …
Click here for more details about the SK-1DI Mic Preamp Kit.
Back in October 1st, we released our SK-1DI Mic Preamp Kit for the 500 Series API format. I’m happy to announce that Rev.1.2 PCB is now out, incorporating fixes and suggestions from our customers and fixing a …
