As you know I was one of the concerned individuals about fan noise.
I went ahead and took delivery of the amp Friday and hooked it up this
morning.
I have all of the equipment installed in a rack just to the right of my
operating desk (updated pictures on qrz.com) within easy reach.
I went ahead and set the fan to position 2 and started calling cq on 10m
RTTY at 1500 watts output (no answers unfortunately). I kept this up
for 15 minutes or so. With the fan set to 2 the temp approached 60
degrees. I'm sure the amp will jump to fan 3 when I've operated RTTY
for more than 15 minutes but I'm betting it doesn't stay at the setting
for very long.
I need to set the fan back to setting 0 and do some testing to see when
the fans start and at what temperature. I need to do this in all
modes. I started with RTTY as that's the most demanding mode that I
operate.
The fan noise at 2 is quite acceptable with no head phones on.
The power supply fan is very acceptable. It sounds like a fan on a
computer to me. It doesn't have a high pitch wine to it.
Bottom line I'm glad I took delivery. I still need to read the manual
and setup the ATU but so far so good. It's great having 1500 watts
available if needed.
I plan on using the two Elecraft amps for SO2R. Hopefully the setup
will get a good work out during IARU next month.
Rich - N5ZC
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