Quote Originally Posted by Mr. Widget
Kind of different... due to different speakers? ...due to different rooms? ...due to different measuring techniques? ... due to different measuring equipment?
Yup. All that. John was gonna do his outside. Lemme read again to see if he actually did....

Nope. Inside, on carpet. On their backs with mic suspended above. Mine are just stacked in garage, mic in front about 1M.

I'm seein' them as similar, actually. Big climb at 1 kHz, peaks at 1.5, 4, and 10 kHz, linear rolloff above. Same animal, different playground....

Though not as well defined in the lower frequencies, see also 80, 130, 250, and 500 Hz.

[We don't have the quasi-anechoic measurement capabilities SOME good people here do.... ]