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<blockquote data-quote="bigbassman" data-source="post: 2322698" data-attributes="member: 542419">Ok...&nbsp; here&#039;s what I did..Profile 6.5&quot; subwoofer was used for testing..standard OEM design.. foam surround, phenol treated cloth linear spiderpower provided by my subwoofer amp for the computer system..woofer was tested free airRoom temperature testingspider temp 76 degreesmotor temp 76 degreespower input&nbsp; 22v , 2.5a = 55 wattsfull excursion @ 55hz for 2 minutesin 20 degree F for 1 hourspider temp 50 degreesmotor temp 38 degreespower input 22.8v, 2.9a = 66 wattsfull excursion @ 55hz for 2 minutes, no detectable issue with suspensionin 20 degree F for 8 hoursspider temp 48 degreesmotor temp 22 degreespower input 22.3v, 3a = 67 wattsfull excursion @ 55hz for 2 minutes, no dectectable issue with suspensionso it appears to me that the spider doesn&#039;t freeze and break when the woofer gets cold.discussLoyd L.</blockquote>

[QUOTE="bigbassman, post: 2322698, member: 542419"] Ok... here's what I did.. Profile 6.5" subwoofer was used for testing.. standard OEM design.. foam surround, phenol treated cloth linear spider power provided by my subwoofer amp for the computer system.. woofer was tested free air [B]Room temperature testing[/B] spider temp 76 degrees motor temp 76 degrees power input 22v , 2.5a = 55 watts full excursion @ 55hz for 2 minutes [B]in 20 degree F for 1 hour[/B] spider temp 50 degrees motor temp 38 degrees power input 22.8v, 2.9a = 66 watts full excursion @ 55hz for 2 minutes, no detectable issue with suspension [B]in 20 degree F for 8 hours[/B] spider temp 48 degrees motor temp 22 degrees power input 22.3v, 3a = 67 watts full excursion @ 55hz for 2 minutes, no dectectable issue with suspension so it appears to me that the spider doesn't freeze and break when the woofer gets cold. discuss Loyd L. [/QUOTE]

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