Custom Parametric EQ Board
Budget: ₹1,500 – ₹12,500 INR
I’m building a 200 W / 400 W amplifier and need a dedicated board that lets me shape bass and treble with real authority. The heart of the design must be a parametric equalizer, and I want the following features brought together in a single, well-engineered circuit:
• Equalizer control
• Sound mixing
• Audio effects processing
• A noticeable “Best Punch” option to tighten the low-end attack
Please size the board so it drops straight into the signal path ahead of the power stage without introducing audible noise or hiss. I’m expecting a frequency-response plot that proves flat-to-20 kHz performance when the EQ is set neutral, plus clear documentation showing where the punch curve is applied.
Deliverables
• Complete schematic with component values
• PCB layout files (Gerbers, drill, pick-and-place)
• Clean, labelled BOM with part numbers that are actually in stock
• Brief test report confirming noise floor, THD, and EQ range
• Guidance on wiring the board into the existing amp chassis
Analogue-only or mixed-signal approaches are both fine—use op-amps, DSP, or a hybrid solution as you see fit, but the final board must run from the same ± v rails as the main amplifier. If anything in the brief needs clarification, let me know before we lock the design so the first revision comes off the printer ready to play.
• Equalizer control
• Sound mixing
• Audio effects processing
• A noticeable “Best Punch” option to tighten the low-end attack
Please size the board so it drops straight into the signal path ahead of the power stage without introducing audible noise or hiss. I’m expecting a frequency-response plot that proves flat-to-20 kHz performance when the EQ is set neutral, plus clear documentation showing where the punch curve is applied.
Deliverables
• Complete schematic with component values
• PCB layout files (Gerbers, drill, pick-and-place)
• Clean, labelled BOM with part numbers that are actually in stock
• Brief test report confirming noise floor, THD, and EQ range
• Guidance on wiring the board into the existing amp chassis
Analogue-only or mixed-signal approaches are both fine—use op-amps, DSP, or a hybrid solution as you see fit, but the final board must run from the same ± v rails as the main amplifier. If anything in the brief needs clarification, let me know before we lock the design so the first revision comes off the printer ready to play.