I've had mine about a month and am running on 120V. Sometime in
the next couple of months I'll have an electrician run 240V.
My elmer has the exact la-1k copy on 240V and his fans
runs quiet, and doesn't get hot when on FT4/8.? My copy on 120V
does get a bit warm whilst on FT4/8, and the fans get very loud to
keep the heat down.? Just listening to mine, the FAN's appear to
have 3 stages whilst operating. and when it goes over 50C, the
fans should be pretty loud keeping the heat from building up.? As
a test, just a few minutes ago, did 10 CQ DX on 40 meters @1KW (45
Watts drive), along with 2 QSO's, and the temperature really
wasn't climbing higher than 54C. The fans appear to do the job,
but they are loud.?
Are your fans loud when the temperature rises?? Are the exhaust
vents clear of obstructions?
On 12/29/2022 9:53 PM, Kent Trimble,
K9ZTV wrote:
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My opinion only, but anyone contemplating the purchase of a KW or higher amplifier should first purchase the services of a licensed electrician and get 240 VAC installed in the shack. Purchase of the amp itself comes second.
Most manufacturers do not recommend 120 VAC for any amp over 500 watts.
73,
Kent
K9ZTV
On Dec 29, 2022, at 7:16 PM, Fred, W9KEY <fred.schwierske@...> wrote:
Amp is running on 120 Vac. The only problem I have - my amp runs much too hot - into the high 70's C.
