The schematic you have shown has a low input impedence, of about 1k. It is unsuitable for guitars but great for moving coil microphones, which is its intended purpose.
For guitars you need a high input impedence and less gain. Look for a non - inverting opamp circuit and you will probably be able to modify it to suit.
The battery negative goes to ground, pin 4 of the opamp. It isn't always shown because everyone knows where it goes.
Hope this helps.
For guitars you need a high input impedence and less gain. Look for a non - inverting opamp circuit and you will probably be able to modify it to suit.
The battery negative goes to ground, pin 4 of the opamp. It isn't always shown because everyone knows where it goes.
Hope this helps.
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