Amplifier Bench Test Workflow
Use one sheet per amplifier revision, channel mode, load, signal, duration, and endpoint.
1. Test Identity
Test ID
Date / operator
Amplifier / serial / revision
Method or standard
Question and endpoint
2. Channel And Settings
Input mode / bridge mode
Channels driven
Gain / filters / boost
Limiter / fan / remote state
Mounting and cooling
3. Supply
Source and nominal voltage
Terminal voltage / sag / ripple
Current sensor and location
Fusing / current limit / isolation
Cable and connection temperatures
4. Load Bank
Topology and component values
Cold resistance
Hot resistance
Cooling / fan / airflow
Temperature and abort limit
Pulse / continuous / energy limit
5. Source And Wondom
Generator or source
Wondom project / revision
Output assignment
Waveform / frequency / spectrum
Peak / RMS / crest factor
Mute / slew / limiter state
6. Voltage Measurement
Output topology
Probe / attenuation / range
Differential and common-mode limits
Bandwidth / filter / sample rate
Zero / compensation / overload check
7. Current Measurement
Shunt / probe / clamp model
Ratio / range / bandwidth
Shunt resistance / Kelvin points
Insertion drop / dissipation
Zero / degauss / deskew
All paths captured? Yes / No
8. Test Timing
Starting temperatures
Ramp / on-time / off-time
Repetition count / session time
Stabilization condition
Recovery criteria
9. Output Result
Vrms / Vpeak
Irms / Ipeak
Load state
Real W / apparent VA
THD+N / clipping endpoint
Compression / limiter / protection
10. Input And Efficiency
Input voltage and current interval
Input power
Output real power
Efficiency
Loss
Idle / fan / DSP auxiliary states
11. Thermal And First Limit
Amplifier temperatures
Load / cable / fuse temperatures
Supply recovery
Delayed heating after stop
First limiting mechanism
12. Evidence And Uncertainty
Raw file identifiers
Instrument calibration
Runs and variation
Dominant uncertainty
Supported significant figures
Known limitations
Stop Conditions
Abort for unexpected heat, odor, smoke, arcing, loose connection, sensor overload, unstable supply, clipping outside the endpoint, mechanical noise, load-bank fault, protection, communication loss, or zone entry.
Emergency stop tested
Zero voltage confirmed
Safe temperature confirmed
Approval
Result classification
Pass / fail / limited / retest
Regression trigger
Technical approval