| Elektor has a long history with audio power amplifiers. A couple of examples of our “golden oldies” are the Edwin, Ekwin and Crescendo ampli...
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| How do the purpose and requirements of a tube amplifier relate to subjective and objective criteria? Which circuits sound the best, and why?...
| A fundamental property for the first microwave amplifier in a radio receiver is its noise figure. This is normally given in decibel (dB). A...
| I'm begging you please'cause if you don't start drinkin'I'm gonna leave! You know what that is? Feedback. (I’ll leave it...
| Texas Instruments has introduced three analog-input class-D stereo amplifiers for use in soundbars, after-market automotive solutions, porta...
| Elektor’s reference work on ‘tubed audio’ is about as thick as your 12AX7 / ECC83 tube is tall! A must-have for all tube fans and the growin...
| Good news for all audio enthusiasts: we are proud to present yet another all-analog circuit developed entirely in house. Despite the simple...
| Simple audio power amplifier A kit with the PCB and all the needed components (except
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| It all started with the Measurement Filter for Class D (100540-1) published in issue 415, July/August 2011. It was designed to handle large...
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| Although many applications of OTAs have been described, the basic circuit of a non-sinusoidal oscillator exploiting an OTA’s specific advant...