SOLD...THANKS ALL..... FOR SALE.... KX1 WITH OPTIONS

[KEN-101]

Hello everyone,

I have newly assembled (January 08 anyway) KX1 For sale with the following options:

KXB3080 - 30/80 Meter Module. Four band upgrade.
KXAT1 -    Internal Antenna Tuner.
KXPD1 -     Paddle.

Radio was checked and adjusted by Elecraft. Never used outside and only a few QSO's inside. Mint condition. All functions and specs in order. Had plans to do trail work which won't be happening.

Past projects..... 3 K2's, a K1 and the usual small QRP kits, in addition to numerous Heathkits many moons ago.

The price for the above from Elecraft is $522.

Selling for $495.00 plus $16.00 insured shipping. Pay-Pal or money order. CONUS only.


Thanks,

Ken, W2GIW

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[list1]

Hi All,
What is the typical power output of the KX1 with an 11.1 Volt 3 cell Lithium
battery pack (assuming its at 11.1 Volts) on 80, 40, 30, and 20 meters?

Thanks,
Steve, W2MY

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[Don Wilhelm-4]

Steve,

The output power of a KX1 will vary from band to band.  That fact is
because of design compromises made to fit a 4 band LPF into a tiny space
as well as normal gain vs. frequency variations in the amplifying
devices itself.  There is also a great dependency on the care used
during construction, particularly with the 4 band LPF.

I have not checked a KX1 at 11.1 volts, but with a 13.8 volt supply, the
power output levels I typically expect are:
80m - 4+ watts
40m - 3.8+ watts
30m - at least 4 watts
20m - 3.3+ watts

Since the power output will vary approximately by the ratio of the
squares of the supply voltage, you could expect the output with an 11.1
volt supply to be about 65% of the levels above.  In other words a 2 to
2.5 watt range can be expected.

Note that these powers are measured using a precision 50 ohm
non-reactive dummy load with the developed RF Voltage observed with an
oscilloscope and 10X probe connected across the dummy load.  The power
available to an antenna will depend on the feed impedance of the antenna.

73,
Don W3FPR

list1 wrote:

> Hi All,
> What is the typical power output of the KX1 with an 11.1 Volt 3 cell Lithium
> battery pack (assuming its at 11.1 Volts) on 80, 40, 30, and 20 meters?
>
> Thanks,
> Steve, W2MY
>
> _______________________________________________
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