Preamp / DSP Board
AssemblyAudio preamplification, DSP/room-correction processing, multi-channel DACs, an ADC for setup metering, an MCU, and op-amp/volume analog stages. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Preamp / DSP Board parts and their functions
8 top-level parts · 228 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Bare preamp/DSP PCB (reuse) |
| 2 | Compute SoC Module | 1× | Audio DSP SoC (reuse) |
| 3 | Audio DAC | 4× | Multi-channel audio DACs |
| 4 | Audio ADC | 1× | Calibration/setup ADC |
| 5 | Microcontroller | 1× | System control MCU (reuse) |
| 6 | Analog Audio IC | 12× | Preamp op-amps + volume/attenuator IC |
| 7 | SMD Passive (R/C/L) | 200× | Resistors/caps/inductors (reuse) |
| 8 | Connector | 8× | Board-to-board connectors (reuse) |
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Bill of materials for Preamp / DSP Board
8 top-level lines · 8 rows shown · 228 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 3 | Audio DAC | av-receiver-dac | 4× | 4 | · | part |
| 4 | Audio ADC | av-receiver-adc | 1× | 1 | · | part |
| 5 | Microcontroller | mcu | 1× | 1 | · | part |
| 6 | Analog Audio IC | av-receiver-analog-ic | 12× | 12 | · | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 200× | 200 | · | part |
| 8 | Connector | connector | 8× | 8 | · | part |
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Where the preamp / DSP board 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 $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
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🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
|
🇨🇳PCBWay
pcbway.com ↗
|
Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |