My wife won $1000 off an Expert amplifier at Visalia maybe 5
years ago. I ended up getting a 1.3K because I had noticed many
DXpeditions using it. Mine is still working well, knock on wood.
I run in on 120V at theMedium power setting. I get 700-800 watts
out. I'm always thinking of selling it
I believe the SPE 1.5K-FA uses one 1800W Mosfet and the KPA1500 uses two
1400W Mosfets. In general, the KPA500 and KPA1500 are more robust than most
of the competitors. I've made mistakes a few times with my KPA500 and it is
still ticking. Everyone I've talked to with an ALS-600 has blown the
Does Expert publish a list of radios they will not warranty their amp on?
Mike va3mw
> On Sep 18, 2021, at 10:16 PM, Jim Brown wrote:
>
> For a long time, W8JI, who has designed ham power amps, has observed that
> some JA rigs have this problem. And for a long time, the mfrs have failed to
Good Evening,
It was a chilly week. Mostly sunny with one night near freezing.
Fall weather in mid-September. I better collect more wood. Today deer
are walking around eating the fallen moss. A lot of it was ripped from
the trees in last night's storm. There is no runoff after two
For a long time, W8JI, who has designed ham power amps, has observed
that some JA rigs have this problem. And for a long time, the mfrs have
failed to fix them. Just like they have taken decades to fix clicks, and
at least one (Yaesu) has been building rigs with lots of splatter on SSB.
73,
re: it'd pay to review the SPE
In May 2021 I bought a SPE 1.5K-FA 2nd generator new from the distributor in
Texas. I’ve been using a SunSDR2 DX 100W transceiver while I wait to receive my
K4D. The 1st time the finals blew may have been operator error. Subsequently, I
discovered that the
KV5J's line of Digital Displays for Elecraft's W2, KXPA100, KPA500, KAT500 and
KPA1500
-
Digital Display Unit for Elecraft's W2 Watt Meter:
The digital read out on the Display Unit takes the guess work out of the LED
light bars.
-
Digital Display Unit for Elecraft's KXPA100 amplifier:
-
Don't
I've found the KPA1500 runs cooler (and resulting quieter fan noise) at
1500w than at 1000w on CW. Noticeably cooler.
73 Eric WD6DBM
On Thu, Sep 16, 2021, 5:28 PM Steve Hall <99sun...@gmail.com> wrote:
> I looked at the link given in part of this discussion regarding efficiency
> and
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