# Factory test checklist — CAMS-1

Serial: __________  Date: __________  Tech: __________

## Visual

- [ ] No cabinet gaps / finish defects  
- [ ] Drivers flush; grille fits  
- [ ] Labels present (mains warning, serial)  
- [ ] Stand welds clean; powder coat OK  

## Electrical (dummy loads first)

- [ ] Earth continuity IEC earth → chassis &lt; 0.1 Ω  
- [ ] Insulation / hipot per local procedure (if required)  
- [ ] Power-up current inrush OK (breaker doesn’t trip)  
- [ ] Mute delay ~0.5–1.5 s both channels  
- [ ] DC offset mid &lt; 50 mV; HF &lt; 50 mV  

## Audio

- [ ] 1 kHz mid @ 1 W: no buzz/rattle  
- [ ] 5 kHz HF @ 0.5 W: clean  
- [ ] Polarity: mid & HF same absolute polarity (pulse test)  
- [ ] Sweep 100 Hz–15 kHz: no rub/buzz  
- [ ] FR spot: ±3 dB 200 Hz–10 kHz on-axis (gated or nearfield+splice)  
- [ ] THD @ 1 kHz mid 5 W &lt; 0.1% typical (soundcard + attenuator — see `/measurement`)  

## Thermal

- [ ] 1 hour pink noise −10 dBFS equiv / speech shaped: heatsink touch-safe / &lt; 75 °C  

## Stand

- [ ] Height lock holds 25 kg  
- [ ] Speaker mounts true vertical  
- [ ] Safety strap eye present  

## Sign-off

Pass / Fail: ______  Notes: _______________________________
