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Re: Hl10c Heatsink data [message #49738 is a reply to message #49736] Tue, 18 July 2006 22:14 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18778
Registered: January 2001
Illuminati (33rd Degree)

Thanks for taking the time to post this. It looks like you used the published value of Re rather than measuring it. I realize that you measured resonance values and all the other things that it takes to do T/S calculations, but did you also measure DC resistance of the voice coil at any time? The AC impedance value would be close at some frequencies other than resonance, an octave above or below for example.

I'm just curious really, to know if you have temperature or resistance measurements for the HL10. But the real test is how effective the heat exchanger is at reducing thermal stress, and ultimately increasing driver reliability. In that regard, the doubling of power limits is a pretty good indication.

 
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