The enhance is similar to an aural exciter which is what you'll find on an SWR. To my ears, adding this effect makes the sound lose its focus (suggesting the circuitry is not true to phase). If you turn up the volume with a generous amount of the effect, the lows become pretty uncontrolled. So I would suggest that you turn the enhance off completely, and first try to get the sound using the regular eq section. Better still, set up the tone without the compression, then see how far you can get with your technique, and add just as much compression as needed. Give your ears some time to get used to the difference