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New Model Fan Noise Level?
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N4UW- Luther
Member
Since the new models are in a larger case and designed to be "front and center" at the operating position, can someone at FRS comment on how the noise level of the cooling fans compares to the 6300/6500 models? Less, more, or about the same, especially during receive? I've tried both a 6300 and 6500. Loved the radios, but could not tolerate the constant whine of the fans. Thanks.....
0
Answers
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Luther, initially in my radio was this fan ->https://www.digikey.com/product-detail/en/sunon-fans/KD1208PHB1-13.(2).F.GN/259-1443-ND/1291183
but i never ran with 100w and decide to change to reach min noise, i have selected GemBird this device:
GemBird D8015SM-3
Important note:
Sanon: 40cfm and 3000rpm - 35db(noise)
Gembird: ~31cfm and 2600rpm - 27db(noise)
as i said i never use 100w and -8db make a big differents for me
BTW: test results with GemBird ->
first 5min with full power carrier: t = 70C
5min more with full power carrier: t =74C , Pout = 89w
but noise like with my Macbook right now - test passed
PS: Sanon = 40cfm !!!0 -
The air flow dynamics for cooling the radios have changed in the 6400/6600. It should be quieter since we are using a larger fan.4
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Which new type of the FAN in use ?0
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A quiet one ;-) It is a three wire computer case type fan. 80mm I believe.1
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Thanks Tim- That was what I was hoping for. I'll certainly consider giving Flex another try.
Sergey- Thanks also for your comments. While replacing fans would be an option, I would not try that on a new radio since it would rightfully void the warranty. I did experiment with a home-brew cover lined with sound-absorbing foam that did not restrict the air flow and still allowed access to the front and rear panels. That did reduce the noise quite a bit but not enough for me. My shack layout would not allow for a remote location of the radio in a closet or other room without extensive remodeling. I loathe fan noise, and went to great lengths to build a nearly silent desktop PC. I currently use a K3s/100 with LP-Pan, sound card, etc. to get panadapter and skimmer capability. The fans in the K3s only come on during TX and cycle back off quickly, so it does not contribute much to the ambient noise level in the shack.1
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