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OK, I have a serious question this time :-)

I am building another cigar box AMPLIFIER, using a 2.5W Artec amp circuit, an Artec QDD2 Quadra Distortion Driver circuit (both from site sponsor C.B. Gitty), and possibly a 9v slapback delay circuit of some sort (yet to be determined).

See my diagrams below (and I apologize in advance for my lack of electronics knowledge and poor schematic drawing skills).

I would ideally like to use a single 9V battery to power everything, and have everything on a common ground, as in drawing "A". I have a feeling that this is too easy and simplistic to actually work. Would it?

If not, would I have to use three different 9V batteries, as in drawing "B"? And, will this work as drawn, using a common ground bus?

The $64,000 question: if neither of these layouts would work, then what am I doing wrong, and how can I do it correctly and efficiently?

Remember, I have the mind of a child, so please respond accordingly.