Interfacing to a K&K pickup
I fitted a K&K Pure Mini pickup to my Guitar, a Freshman FA350FBF quite a few years ago. I have struggled to get a reasonable sound from it. Read more
Technical
A mains Mixer on Batteries
The Wharfdale mixer The feasibility of running this mixer designed for mains use was covered in a previous post. In that article I ended up running the mixer from PP3 batteries connected in pairs to give +/-9V. I had ascertained that the mixer could run down to +.-7V and all that would be affected is … Read more
A balancing Mixer
Most mixers have separate volume controls for each channel. This one has “balance controls”. Read more
A simple DIY Busking Amp
A simple DIY busking amp. All you need is a speaker and a a box and the rest is pretty cheap. Read more
Using a dynamic mic with a Macbook
Look anywhere on the web and you will be told you need an audio interface to connect your mic to your MacBook, or you need to switch to a USB mic. Well, it ain’t necessarily so. Read more
Old car batteries as a power source
Testing Lead Acid’s I have four old lead acid batteries stored in the garage. All of these batteries have been retired for some time but I keep them in the garage and charge them up every 3-6 months. This is the technique I used to measure the capacity of these batteries:- Charge the battery … Read more
Testing AA batteries
Old AA battery testing Read more