Power Amp Board
AssemblyA Class-AB power amplifier driving the speaker, with a complementary output-transistor pair on an extruded heatsink and a thermal-tracking bias stage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Power Amp Board parts and their functions
6 top-level parts · 57 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Bare power-amp PCB (reuse) |
| 2 | Output Transistor | 2× | Complementary output transistors |
| 3 | Power Amp Heatsink | 1× | Output-stage heatsink |
| 4 | Driver / Bias Stage | 1× | Driver + thermal-tracking bias stage |
| 5 | SMD Passive (R/C/L) | 50× | Bias/feedback resistors and caps (reuse) |
| 6 | Connector | 2× | Rail + speaker connectors (reuse) |
3D model
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Bill of materials for Power Amp Board
6 top-level lines · 6 rows shown · 57 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 | Output Transistor | guitar-amplifier-output-transistor | 2× | 2 | · | part |
| 3 | Power Amp Heatsink | guitar-amplifier-heatsink | 1× | 1 | · | part |
| 4 | Driver / Bias Stage | guitar-amplifier-driver-bias | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 50× | 50 | · | part |
| 6 | Connector | connector | 2× | 2 | · | part |
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Where the power amp 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 |
|---|---|---|---|---|
|
🇨🇳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 |