qts change

Ilianh · 30th November 2002, 04:54 PM

I was wondering, does the qts of a speaker change over a wide range of temperatures?
and if yes, how much can it change?

I was going to ask about the xmax too... but thats a bit obvious.

FrankDIY · 30th November 2002, 08:17 PM

Yes it change because the voice coil resistance change. This also affect the low frequency response, the damping and the crossover point.

How much? No idea, I've never measured this factor.

And what about atmospheric changes in cone loading?

Ilianh · 30th November 2002, 08:43 PM

Francois,
I tryed pvt messaging you, but you have it off,
as you live in montreal, do you have any experience buying drivers from addison(the one in mascouche and the one in montrea near Pi-x)
i live like 2 min away from the one in mascouche, and i found some awsome tweeters for 10$ each,
they have some good crown mid-bass and platinum audio drivers too, also some mb quart and polk drivers.
i was asking because they never give any specs with any of the drivers and most of them, you cant find specs on the net, if you haver thiel-small measured any of them, i'd be happy if you could share this info with me, i measured some AR 8" woofer.

Regards, Ilian

FrankDIY · 30th November 2002, 09:26 PM

check your email

30th November 2002, 04:54 PM	#1
Ilianh diyAudio Member Join Date: Oct 2002 Location: Montreal, Canada	qts change I was wondering, does the qts of a speaker change over a wide range of temperatures? and if yes, how much can it change? I was going to ask about the xmax too... but thats a bit obvious.

30th November 2002, 08:17 PM	#2
FrankDIY diyAudio Member Join Date: Mar 2001 Location: Quebec City	Yes it change because the voice coil resistance change. This also affect the low frequency response, the damping and the crossover point. How much? No idea, I've never measured this factor. And what about atmospheric changes in cone loading? __________________ Imagination is more important than knowledge. knowledge is limited, imagination encircles the world. Albert Einstein FrankDIY's Audio Corner

30th November 2002, 09:26 PM	#4
FrankDIY diyAudio Member Join Date: Mar 2001 Location: Quebec City	check your email __________________ Imagination is more important than knowledge. knowledge is limited, imagination encircles the world. Albert Einstein FrankDIY's Audio Corner

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30th November 2002, 08:43 PM	#3
Ilianh diyAudio Member Join Date: Oct 2002 Location: Montreal, Canada	Francois, I tryed pvt messaging you, but you have it off, as you live in montreal, do you have any experience buying drivers from addison(the one in mascouche and the one in montrea near Pi-x) i live like 2 min away from the one in mascouche, and i found some awsome tweeters for 10$ each, they have some good crown mid-bass and platinum audio drivers too, also some mb quart and polk drivers. i was asking because they never give any specs with any of the drivers and most of them, you cant find specs on the net, if you haver thiel-small measured any of them, i'd be happy if you could share this info with me, i measured some AR 8" woofer. Regards, Ilian

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