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  1. donpetru

    2xTDA7294 PCB's

    Some time ago I launched the second generation of PCB's 2xTDA7294, this is my project DP0121 MK2, which can use two pcs. of TDA7294, which can be set stereo or in bridge configuration. I still have several PCBs available for sale (photo below - PCB's looks much better than the attached picture...
  2. donpetru

    TA1000PS - PSU for audio amplifiers with protection, speaker delay and fan controller

    TA1000PS is a free project that wants to fill the need for electronic kits for complete realization of a high power amplifier. TA1000PS includes: a DC voltage protection on the output amplifier, speaker delay, fan speed control to cool amplifiers heatsinks and one output +/-12Vdc to power an...
  3. donpetru

    GX400 - 400W Audio Amplifier

    Last revision GX400 amplifier is the result of a process of improvement and testing of an amplifier schematic who was wanted in the first to be a simple and compact amplifier, easy to build and with electronic components easy to find. I started polished schematic of the amplifier to be much...
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