[Boatanchors] KWM-2A Problems

[Al Parker]

Hi Jeff,
	I'm far from an expert on the KWM-2A, but having owned 2 plus a 32S-1, 
have had a little experience (often greatly enhanced by the experiences 
of others).  I'm fussing along with a 32S-1 right now, helped out by others.
	It appears to me that the alignment of yours was carried out with the 
kc tuning knob set at zero, as on all the lower bands your output is 
best at the low ends of the ranges.  IIRC, you should set the kc dial to 
100.  Your 3.4-3.6 output is low, but I've seen that on mine, too.  I 
think it's a Q problem of the ckts on the lowest freq., not much can be 
done.  20m looks pretty good.  Low on 15 & 10m could be due to weak 
finals or driver tube, but might come up a bit doing a full alignment as 
detailed in the manual.  Be sure to read and follow all the manual 
steps, IIRC, the higher freq. bands, above 20m, depend upon the 20m 
tuning, so it must er done first.  There's a caveat in there to not 
touch one slug adjustment until "later".   That tripped me up once.
	I've seen ~120w out on some bands, but basically feel that 95-100 is 
acceptable.
73,
Al, W8UT
www.boatanchors.org
www.hammarlund.info

"There is nothing -- absolutely nothing -- half so much
worth doing as simply messing about in boats"
Ratty, to Mole

On 1/21/2011 9:50 PM, n2lxm at juno.com wrote:
> Good Evening All,
>
>
>          Thanks to all who responded. I be leave I got the ALC issue
> fixed. clean the relay in the output compartment. But I still am working
> on the low output problem. I took some measurements on all the bands and
> here is the results. The transceiver output power was measured with a
> Bird 43 Thruline Wattmeter using a 2-30 Mhz 100 Watt slug, the load is a
> TS-1771/U Electro Impulse Labs 150 watt 50 Ohm load.
>
> Band Switch Position       Frequency       RF output
>
>           1A                           3.4 Mhz          50 W
>           1A                           3.5 Mhz          45 W
>           1A                           3.6 Mhz          22 W
>
>           2A                           3.6 Mhz          98 W
>           2A                           3.7 Mhz          60 W
>           2A                           3.8 Mhz          40 W
>
>           3A                           3.8 Mhz          55 W
>           3A                           3.9 Mhz          39 W
>           3A                           4.0 Mhz          15 W
>
>           1B                           7.0 Mhz          95 W
>           1B                           7.1 Mhz          85 W
>           1B                           7.2 Mhz          80 W
>
>           2B                           7.2 Mhz          98 W
>           2B                           7.3 Mhz          80 W
>           2B                           7.4 Mhz          72 W
>
>           1C                           14.0 Mhz        90 W
>           1C                           14.1 Mhz        90 W
>           1C                           14.2 Mhz        90 W
>
>           2C                           14.2 Mhz        90 W
>           2C                           14.3 Mhz        90 W
>           2C                           14.4 Mhz        90 W
>
>           1D                           21.0 Mhz        70 W
>           1D                           21.1 Mhz        70 W
>           1D                           21.2 Mhz        70 W
>
>           2D                           21.2Mhz         70 W
>           2D                           21.3 Mhz        70 W
>           2D                           21.4 Mhz        70 W
>
>           3D                           21.4 Mhz        55 W
>           3D                           21.5 Mhz        60 W
>           3D                           21.6 Mhz        60 W
>
>           1F                           28.0 Mhz        60 W
>           1F                           28.1 Mhz        60 W
>           1F                           28.2 Mhz        60 W
>
>
>
>                                  Jeff N2LXM
>                    AMATEUR RADIO OPERATOR
>                                  AMERICAN
>                                    PATRIOT
>                    Proud Father of two US MARINES
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