Re: uBitx V4 Audio extremely quiet and other needed mods#ubitx
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It is Nice , but take precaution to power TDA2822 only with 6V dc by using 7806 only for powering TDA2822.
Secondly, never use mono 3.5mm plug in the stereo 3.5mm socket provided for speaker. ?The device would fail. Never plug head / ear phones when RIG is ON. All the best
Got my TDA2822 in the post, and installed it. I put it on the rear of my case, and fed it with the speaker leads from the audio board that comes with Sunil's case, then i have the output switchable between internal speaker and a minijack for an external speaker. MUCH better. The original drive was so feeble (V4 board) that it's just perfect as input to the TDA2822. I did it like this as i am happy enough with the audio levels i have for digital modes, so this only comes into play for speaker use.
At full tilt it does not distort, which is a clear win over the stock audio circuit.
Great little mod..
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