| Once again, the battery of the battery operated tube headphone amplifier was empty because Elektor author James Glyn forgot to switch it off...
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| Having built a battery-powered valve headphone amplifier, I discovered that the battery was often fully drained due to forgetting to switch...
| While a PC’s ‘line’ input generally offers acceptable characteristics, ‘mic’ inputs typically have only mediocre noise and distortion levels...
| Last week, we discussed the schedule of our home-built phaser. Now we will conclude with a few tips for the construction.
| Last week we started describing a phaser circuit for self-construction. Now we will discuss the detailed scheme.
| A phaser is a circuit to distort the sound of musical instruments in a very specific way. Here we describe one for self-assembly.
| 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...
| Sometimes we have the need for a simple ‘low-fi’ audio amplifier for experiments in the lab, or when superb sound quality is less important....
| The Orb, an Arduino-based tumbling and singing synthesizer, saw the light of day during the coronavirus lockdown. It is a wibbly-wobbly synt...
| During this period of global confinement some people are having a hard time getting through the day. Finding occupations is not always easy,...