Install the 22k resistor (R2) between output Pin 4 and feedback Pin 2 to set the gain level.

But that is the joy of this craft.

Separate high-power output traces from sensitive low-power input traces to prevent crosstalk.

Essential for checking resistor values, verifying supply voltages, and troubleshooting shorts.

For those wanting to learn how amplification works at a component level, you can build a amplifier using general-purpose transistors like the Structure: Pre-amplifier Stage:

`"JFET class A headphone amplifier circuit pdf"

A clean, stable power supply is crucial for low noise. Projects often include designs for linear power supplies.

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