> Harbaugh cooling fan,
Please, I've seen this too many times. It is Harbach Electronics
(formerly Harbach Engineering).
73,
... Joe, W4TV
> -----Original Message-----
> From: amps-bounces@contesting.com
> [mailto:amps-bounces@contesting.com] On Behalf Of Bill W5WVO
> Sent: Tuesday, December 15, 2009 6:18 PM
> To: amps@contesting.com
> Subject: [Amps] Alternative cooling strategies for SB-220?
>
>
> 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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