BYOC 10-band graphic equalizer Manuale di istruzioni - Pagina 14

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Modifying the Selected Frequencies

So now you've got your pedal working and you want to tailor it for a very specific set

up....OK. The stock frequency spread that is supplied with the kit is designed to provide the

widest frequency range available for guitar. But the lowest and highest frequencies may

slightly extrapolate your guitar amp's abilities depending upon your speakers' frequency range.

If you find that the highest frequency seems a little weak, you may want to remove the caps

for 16.5kHz and replace them with caps for 12kHz.

If you find that the lowest frequency seems a little weak, you may want to remove the caps for

30Hz and replace them with caps for 65Hz.

If you want very detailed control of the mid range you may want to get rid of the two most

extreme frequencies and add two other mid frequencies.

If you are playing direct into a PA system or recording direct, you probably don't want to

change anything. But if you are mic'ing a guitar amp, you will still be limited by your speakers'

frequency range.

Frequency - Capacitors(in µF unless noted)

30Hz* = .082/3.3

65Hz = 056/2.2

100Hz* = .027/1

200Hz = .018/.68

300Hz* = .0082/.33

470Hz = .0068/.27

650Hz* = .0056/.22

830Hz = .0033/.15

1kHz* = .0027/.1

2kHz* = .0018/.068

3kHz* = 820p/.033

4.7kHz = 680p/.027

6.5kHz* = 560p/.022

8.3kHz = 330p/.015

10kHz* = 270p/.01

12kHz = 220p/.0082

16.5kHz* = 180p/.0068

*stock values included with kit.

If you want a very exact frequency that's not supplied above here's the fomula to figure out the

capacitor combination:

CX = Cap X and CY = Cap Y. Refer to the schematic on page 4.