Wayne Parham Messages: 18791 Registered: January 2001
Illuminati (33rd Degree)
That's right, Bill. You can add a 0.1uF cap to the 0.33uF cap by connecting them in parallel to form 0.43uF. If you add a couple of 0.1uF per side, you'll have 0.53uF. Raising capacitance across R1 will bring up the treble and bring it in a little sooner.
The stock value is 0.47uF for all networks from 6dB to 12dB. The resistors R1 and R2 set the padding level:
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