[Amps] Alternative cooling strategies for SB-220?

[Alek Petkovic]

Go back to the original fan which was nice and quiet . . . . but be 
warned, the xyl will sound a lot louder if the fan is quieter.

73, Alek
VK6APK


At 07:18 AM 16/12/2009, Bill W5WVO wrote:
>I have a 6-meter-converted SB-220 equipped with the upgraded
>Harbaugh cooling fan, which provides more air circulation volume
>than the original Heathkit fan. It does a great job, but sounds
>like a B-17 revving up for takeoff. My XYL can't stand being in
>the same room with it. What solutions have any of y'all come up
>with to quiet this or similar amps' cooling fans? Like for
>example, are blowers generally more quiet than muffin fans? Any
>other ideas?
>
>Bill W5WVO
>
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