# Assembly SOP — CAMS-1 (factory / shop)

## 0. Prep

- [ ] All MASTER_BOM lines received & IQC (drivers un-dented, toroid VA correct)  
- [ ] Panels cut per `enclosure/cut-list.csv`  
- [ ] Stand parts welded & coated  
- [ ] PCBs stuffed & visually inspected  

## 1. Cabinet carcass

1. Dry-fit all panels.  
2. Glue sides–top–bottom–baffle; clamp square.  
3. Seal internal seams.  
4. Install T-nuts, pole cup, braces.  
5. Fit damping sheets.  
6. Sand and finish exterior (except baffle face if painting separately).  

## 2. Amp plate

1. Mount heatsinks + LM3886 (thermal compound/pad).  
2. Mount PCBs, regulators, bulk caps, bridge, IEC, switch, XLR, pots.  
3. Wire per `electronics/wiring.md`.  
4. **Bench test plate alone** with dummy 8 Ω loads (current-limited mains):  
   - DC offset each channel &lt; 50 mV  
   - Mute delay ~1 s  
   - 1 kHz sine mid channel clean on scope  

## 3. Drivers

1. Wire drivers with correct polarity (mark +).  
2. Install HF then mid with gasket; tighten evenly.  
3. Stuff polyfill.  

## 4. Final mate

1. Gasket amp plate to cabinet; fasten.  
2. Connect driver leads.  
3. Fit grille.  
4. Affix serial / safety labels.  

## 5. System QC

Follow [`../qc/factory-test-checklist.md`](../qc/factory-test-checklist.md).

## 6. Stand

1. Assemble pole + base + knob.  
2. Load test 25 kg.  
3. Mount speaker; confirm vertical; attach safety strap point check.  

## 7. Pack

Speaker in foam carton; stand in separate carton; include IEC cable, quick-start, warranty card.
