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DIY LM3886 Chip Amplifier (Gainclone) Kit - DIY AUDIO …
https://diyaudioprojects.com/Chip/LM3886_CA/LM3886_CA.htm
The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4 ohm load and 38W into 8 ohm with 0.1% THD+N from 20Hz - 20kHz. For the full details and operating parameters of the LM3886 IC refer to the LM3886 Datasheet - (PDF 1.2MB). The gain of the LM3886 amplifier circuit is set about 33.
A Complete Guide to Design and Build a Hi-Fi LM3886 ...
https://www.circuitbasics.com/design-hi-fi-audio-amplifier-lm3886/
LM3886 Composite amplifier - how accurate are simulated ...
https://www.diyaudio.com/community/threads/lm3886-composite-amplifier-how-accurate-are-simulated-results.382820/
Since LME49710 obtains only a limited voltage swing of 15-16V, the LM3886 needs to be operated at a gain of 2-3V/V, for the typical home / studio amplifier. In order to obtain any significant improvement in performance, the composite audio-band loop-gain needs to be at least 100x (+40dB higher) than that of the power-amp.
DIY HiFi Gainclone Power Amplifier (2x68w, Class AB-A, …
https://www.instructables.com/DIY-HiFi-Gainclone-Power-Amplifier-2x68w-Class-A/
A LM3886TF on the other hand, can be mounted on a common heatsink without insulation devices The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% THD+N from 20Hz–20kHz. The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (°Ke) …
LM3886 hum | diyAudio
https://www.diyaudio.com/community/threads/lm3886-hum.360709/
LM3886 is connected to PSU so due to high currents (100Hz charging pulses) their grounds are not the same. Then there is a preamp where audio input is connected to and at its output there is connection to the LM3886. So in LM3886 PCB and preamp PCB there is the same ground (different than the PSU ground).
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