| Having built a battery-powered valve headphone amplifier, I discovered that the battery was often fully drained due to forgetting to switch...
| Having built a battery-powered valve headphone amplifier, I discovered that the battery was often fully drained due to forgetting to switch...
| If we only used electronics to process existing signals, we would be missing an important aspect of electronics: generating oscillating sign...
| Despite the simple design of this audio power amp with just one pair of transistors in the output stage, Q-Watt can deliver over 200 quality...
| Although the DIY construction of audio equipment (amplifiers, speaker boxes) is almost never worthwhile these days (at least from a cost per...
| Vinyl is back with a vengeance among hi-fi enthusiasts. The sound of vinyl records is something very special and cannot be compared to the s...
