73
The max operating temperature of the Eimac 3CX1200A7's is 250C. 250C = 482
F. So you can see that the exhaust air can be well over 400F.
Alan R. Downing
Phoenix, AZ
-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]]
On Behalf Of Michael Thurman
Sent: Thursday, January 02, 2014 1:51 PM
To: [log in to unmask]
Subject: Re: Amplifier heat
omg that should not be that warm, warm yes, but hot enough to burn =
that is not normal for any amp I know of, and sounds like a good way to =
cause a fire.
On Jan 2, 2014, at 12:59 PM, Alan R. Downing <[log in to unmask]> wrote:
> I can't comment specifically about your model of amp, but when I had =
just
> bought my Henry 5K I made the mistake of laying my forearm on the top, =
and
> it was so hot that it blistered my skin. We took the top cover's
> temperature with my infrared temperature gun, and it read 325F.
>=20
>=20
>=20
> Alan R. Downing
> Phoenix, AZ
>=20
>=20
> -----Original Message-----
> From: For blind ham radio operators =
[mailto:[log in to unmask]]
> On Behalf Of Mike Ryan
> Sent: Thursday, January 02, 2014 10:51 AM
> To: [log in to unmask]
> Subject: Amplifier heat
>=20
> Hi all:
>=20
> Last week when I tested the KW-1000 HF amp, it got pretty warm during =
the
> CW tune up. Not to hot to touch but pretty hot. I wouldn't wanna leave =
my
> hand on the top. I could feel the hot air blown up the top and the =
little
> sight I have, allowed me to see the Orange glow of the 2 572B tubes. =
My
> previous amps never got that warm unless I turned on the processor and =
they
> ran 3-500Zs. To my knowledge, my buddies proc wasn't on.
> Is all this normal? My Almer says an amp isn't making power if it =
isn't
> warm. Lol
>=20
> 73:
> Michael DE VO1AX
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