Quote:
Originally Posted by timmy
I have one strong local am station and it comes in but no volume only max can I here it. I even tried the radio outside still no volume very low. The ant wire is really long. While listening to the station I tried tweaking the screws but it's all right on the money , I marked them befor touching them and it's right there. I went over my work and can't find anything. But if a tube is bad I have no way to tell which one it is since I don't have an older tester to test them nor do I have an idea which one it might be instead of buying them all. If I had an idea of what to try as far as testing to maybe see what tube it is that would be good.
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What kind of reception do you get on another AM radio in the same location, especially the station you are receiving?
That Philco radio is just as hot as any other AA5 with similar circuitry. It's a standard AVC equipped radio, not one of those non-AVC circuits, where the volume control is located in the antenna and bias circuit.
Make sure the bias voltages are on the money as they affect the first and second audio stages.
