All such measurements should be made at room temp after 'temperature
equalisation'
Incidentally UK pro-audio louspeaker manufacturer quotes Thiele-Small
parameters
thus......
Notes
3. Thiele - Small Parameters follow a 300 Watt preconditioning period.
http://www.precisiondevices.co.uk/as...ds/super/8.pdf
Graham
Agreed. But what exactly is "room temperature"? What if your speaker is near
an air duct? All I'm saying is that of all of the things that can have a
real effect on the parameters of a woofer, temperature is a big one.
James.
)