- On axis frequency response (common)
- Phase response (common)
- Off axis up and down on many points and out to 90 degrees (helps for room response determination) - preferably without smoothing so that anomalies are more evident
- Accelerometer on several cabinet points with frequency sweep
- Distortion versus frequency at peak up to the woofer cross-over frequency, then at -10, -20, and -30 db across the whole frequency spectrum.
- Run speaker at 20% rated power with pink noise and then re-run quickly, the -10db sweep above.
- Distortion with a tone at the bottom and top of the frequency range of each driver, and then stepped to 1/4 and 3/4 of the frequency range.
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