Single-Supply 5-Band EQ PUBLIC

RO 12V Active 5-Band Equalizer for Guitar

Richter Original 5-band active equalizer for guitar. Controls Include: Gain, 5 tone-pots, and Volume. Tone controls involve 5 separate Sallen-Key bandpass filters. Center frequencies for each band are 10 kHz, 4 kHz, 1.6 kHz, 400 Hz, and 100 Hz. Passbands overlap somewhat at frequencies between each center frequency. Overall Frequency Range 80 Hz to 16 kHz with all controls at 50%. Suitable for 6-string electric guitar. Overall Gain = +20 dBV (Vo/Vi = 10) @ 1 kHz with all controls at 50%. Specified ICs were chosen to ensure clean op-amp operation at al control settings. Power-supply not shown. Requires a regulated single-polarity DC supply providing +12V @ >= 80 mA. Example: Jameco DBU120010R, 12V, 100mA, 1.2W. 6.54 dollars US each, but minimum order 2 @ $12.08 total + tax + shipping. https://www.digikey.com