I tested out a used High Fidelity X-Can v2 tube headphone amp at a local high end audio store. I tried it there and it was extremely impressive hooked up to some quality CD Player. There wasn't even ...

I have a power amp (a Yamaha M-80) which is only specced to run at 110V/60Hz. I can get a stepdown transformer of adequate power rating easily, but it obviously doesn't alter the frequency. I'm ...

Sometimes, when you plug an audio line from a desktop computer into a stereo receiver or amplifier, an annoying hum comes through the speakers along with the music. You stop the music and the hum is ...

If you work in the professional audio field, you need to use balanced lines for long signal runs to prevent hum and noise pick-up. This Balanced/Unbalanced Converter is really two projects in one. It ...