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Ultra-low Distortion Class-A Amplifier

    https://www.sound-au.com/tcaas/nj10w.pdf
    Ultra-low Distortion Class-A Amplifier A design using feedback to control the gain and the levels of voltage and current in the output stage By L. Nelson-Jones, M.I.E.R.E. There is in the design to be described nothing very revolutionary, but rather an attempt to get a little nearer to perfection, in the power amplifier section of an audio system.

Ultra Low Distortion Audio Composite Amplifier Kit LM1875

    https://www.kaltecs.com/lm1875-composite-amplifier/
    Ultra Low Distortion Composite amplifiers based on LM1875. LM1875 is a little nice chip amp capable of providing 25W output power. If properly implemented it provides surprisingly good sound. The simplicity of the circuit and its sound quality have ranked that IC chip among the most popular among DIY enthusiasts.

Ultra low distortion composite amplifier kits TDA7293 TDA794

    https://www.kaltecs.com/tda7293-composite-amplifier/
    I hoped to achieve the ultra low distortion and noise of the LM1875 composite. After some ups and downs I managed to build a TDA7293 or TDA7294 composite amplifier achieving the perfect sound of LM1875 but capable of providing a lot more power. The TDA7293 TDA7294 ICs use a MOSFET power stage, whereas LM1875 uses bipolar transistors.

Ultralow Distortion Audio Panpot Amplifier | Analog Devices

    https://www.analog.com/en/analog-dialogue/articles/ultralow-distortion-panpot-amplifier.html
    Low cost and low distortion are important considerations for audio circuits. The AD8273 1 dual low-distortion difference amplifier uses internal gain setting resistors to ensure excellent matching between the two channels. With no external components, each channel is configured as two high-performance amplifiers with a gain of 3. In the audio frequency range, the total …

4QD-TEC: Low distortion Audio amplifier

    https://www.4qdtec.com/pwramp.html
    Low distortion audio amplifier This is an unusual circuit for an ultra-low distortion power amp. According to my original notes the circuit is dated January 1977 so the circuit is not exactly modern but it is still sufficiently different to be interesting.

Nelson Jones Ultra low-Distortion Class-A Amplifier - YouSpice

    https://www.youspice.com/spiceprojects/spice-simulation-projects/audio-circuits-spice-simulation-projects/power-amplifiers-spice-simulation-projects/discrete-component-power-amplifiers-spice-simulation-projects/nelson-jones-ultra-low-distortion-class-a-amplifier/
    Home / SPICE Projects / SPICE Projects / Audio Circuits / Power Amplifiers / Discrete Component Power Amplifiers / Nelson Jones Ultra low-Distortion Class-A Amplifier. Nelson Jones Ultra low-Distortion Class-A Amplifier. 0 Credits. d344b9eb-4ab7-4148-9ac9-ff119784c528.rar Login for download. Category: Discrete Component Power Amplifiers. Tweet ...

Ultra Low Distortion Class B Amplifier - diyAudio

    https://www.diyaudio.com/archive/blogs/comments/comment2715.html
    This is a Class B power amplifier that follows the Ultra-LD Mk.3 amplifier design published by the Australian Silicon Chip magazine in 2011, which in turn draws heavily from the concept of a Blameless amplifier devised by Douglas Self. I used a different power supply and speaker protection, and changed the grounding scheme vs what was published. The distortion …

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