Parametric or Graphic Equalizer
AssemblyThree-band or parametric frequency-selective equalizer with ±15 dB boost/cut per band, allowing tonal shaping before output. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Parametric or Graphic Equalizer parts and their functions
6 top-level parts · 8 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | EQ Summing Amplifier | 1× | Op-amp summing stage for EQ network |
| 2 | High-Frequency Shelf Filter | 1× | High-frequency shelf filter (8–16 kHz center) |
| 3 | Midrange Peaking Filter | 1× | Peaking filter (500 Hz – 4 kHz center, adjustable Q) |
| 4 | Low-Frequency Shelf Filter | 1× | Low-frequency shelf filter (60–200 Hz center) |
| 5 | EQ Band Potentiometer | 3× | Potentiometers controlling gain per EQ band |
| 6 | Bare PCB | 1× | EQ network PCB with precision passive components |
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Bill of materials for Parametric or Graphic Equalizer
6 top-level lines · 6 rows shown · 8 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | EQ Summing Amplifier | channel-strip-preamp-eq-opamp | 1× | 1 | · | part |
| 2 | High-Frequency Shelf Filter | channel-strip-preamp-high-shelf-filter | 1× | 1 | · | part |
| 3 | Midrange Peaking Filter | channel-strip-preamp-mid-peak-filter | 1× | 1 | · | part |
| 4 | Low-Frequency Shelf Filter | channel-strip-preamp-low-shelf-filter | 1× | 1 | · | part |
| 5 | EQ Band Potentiometer | channel-strip-preamp-eq-pot | 3× | 3 | · | part |
| 6 | Bare PCB | pcb-bare | 1× | 1 | · | part |
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Where the parametric or graphic equalizer is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
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🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |