The X-Altra MC/MM RIAA Phono EQ article Part 1 and Part 2 were published in the 2021 February and March issues of audioXpress magazine. You can download a copy of both Part 1 and Part 2 from the audioXpress website…
Are you are looking for an experienced solid state audio designer? I am UK based but can undertake design projects on a contract basis for customers anywhere in the world. I specialize in power amplifiers, full feature pre-amplifiers (including low…
If you have purchased PCB’s and are still constructing your kx-Amplifier, I will continue to fully support your efforts as required, so do not worry. 114 PCB sets of the kx-Amplifier were sold, with as far as can be ascertained,…
Here’s a 9 minute YouTube video I made on soldering SMD components. I use lead 0.5 mm solder with a melting temperature of c. 180 C and my soldering iron temperature is set to 280 C.
There is a misconception that noise pickup is reduced by placing the input RCA connectors (and similarly XLR input connectors in a fully balanced system) on opposite sides of the amplifier rear panel and then running short wires to the…
The HPA-1 is a compact high performance class A headphone amplifier that will deliver up to 1.75W into a 32 Ohm pair of headphones. The amplifier features ultra-low distortion, very wide bandwidth and class A operation up to 13 V…
