> On Aug 31, 2019, at 3:25 PM, Charlie T <pin...@erols.com> wrote:
>
> Well, it IS some significant competition, especially since the "PX3" is
> built-in eh?
>
>
> Charlie k3ICH
>
It's an interesting radio for those who need built-in VHF/UHF.
But there are major differences between the KX2/KX3 and '705 for those doing
lightweight outdoor operation:
- KX3 is half the size and 33% lighter; KX2 is one-third the size and weight
- KX3 has max power out of 15 W, KX2 12 W (vs. 10 W); KX2 can put out 10 W on
internal battery
- the KX3/KX2 LCD is very high contrast, easily readable in bright sunlight
(I've seen the '7300 display in sunlight, and it's almost completely washed
out)
- both KX-line rigs have a built-in wide-range ATU (not mentioned in the '705
brochure)
- both work with an attached keyer paddle
- both have far lower current drain (0.15-0.25 A vs. estimated 0.8-1.0 amps)
- the '705s internal battery is only 2 AH/7.4 V = 14.8 WH; the KX2's is
2.5 AH and 11 V = 27.5 WH, and the KX3 can be used with 8x Lithium AA, 3A @
12V = 36 WH
The other head-scratching design choice is the lack of any sort of tilt stand
for angled use. If you use it as shown on a desktop, with the display at 90
degrees and no feet, it will be very hard to push buttons, and when you do, the
rig will slide backwards. If you place it on its back with the display facing
up, operation would be awkward in many field situations. Hand-held operation
also seems unlikely (something you can easily do with a KX2 or even a KX3).
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